280898280

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 384

約数和(自身を含む): 1080432000

約数和(自身を除く): 799533720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 81, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 162, 169, 171, 180, 190, 195, 216, 228, 234, 243, 247, 260, 270, 285, 312, 324, 338, 342, 351, 360, 380, 390, 405, 456, 468, 486, 494, 507, 513, 520, 540, 570, 585, 648, 676, 684, 702, 729, 741, 760, 780, 810, 845, 855, 936, 972, 988, 1014, 1026, 1053, 1080, 1140, 1170, 1215, 1235, 1352, 1368, 1404, 1458, 1482, 1521, 1539, 1560, 1620, 1690, 1710, 1755, 1944, 1976, 2028, 2052, 2106, 2187, 2223, 2280, 2340, 2430, 2470, 2535, 2565, 2808, 2916, 2964, 3042, 3078, 3159, 3211, 3240, 3380, 3420, 3510, 3645, 3705, 4056, 4104, 4212, 4374, 4446, 4563, 4617, 4680, 4860, 4940, 5070, 5130, 5265, 5832, 5928, 6084, 6156, 6318, 6422, 6669, 6760, 6840, 7020, 7290, 7410, 7605, 7695, 8424, 8748, 8892, 9126, 9234, 9477, 9633, 9720, 9880, 10140, 10260, 10530, 10935, 11115, 12168, 12312, 12636, 12844, 13338, 13689, 13851, 14040, 14580, 14820, 15210, 15390, 15795, 16055, 17496, 17784, 18252, 18468, 18954, 19266, 20007, 20280, 20520, 21060, 21870, 22230, 22815, 23085, 25272, 25688, 26676, 27378, 27702, 28431, 28899, 29160, 29640, 30420, 30780, 31590, 32110, 33345, 36504, 36936, 37908, 38532, 40014, 41067, 41553, 42120, 43740, 44460, 45630, 46170, 47385, 48165, 53352, 54756, 55404, 56862, 57798, 60021, 60840, 61560, 63180, 64220, 66690, 68445, 69255, 75816, 77064, 80028, 82134, 83106, 86697, 87480, 88920, 91260, 92340, 94770, 96330, 100035, 109512, 110808, 113724, 115596, 120042, 123201, 126360, 128440, 133380, 136890, 138510, 142155, 144495, 160056, 164268, 166212, 173394, 180063, 182520, 184680, 189540, 192660, 200070, 205335, 207765, 227448, 231192, 240084, 246402, 260091, 266760, 273780, 277020, 284310, 288990, 300105, 328536, 332424, 346788, 360126, 369603, 379080, 385320, 400140, 410670, 415530, 433485, 480168, 492804, 520182, 540189, 547560, 554040, 568620, 577980, 600210, 616005, 693576, 720252, 739206, 780273, 800280, 821340, 831060, 866970, 900315, 985608, 1040364, 1080378, 1137240, 1155960, 1200420, 1232010, 1300455, 1440504, 1478412, 1560546, 1642680, 1662120, 1733940, 1800630, 1848015, 2080728, 2160756, 2340819, 2400840, 2464020, 2600910, 2700945, 2956824, 3121092, 3467880, 3601260, 3696030, 3901365, 4321512, 4681638, 4928040, 5201820, 5401890, 6242184, 7022457, 7202520, 7392060, 7802730, 9363276, 10403640, 10803780, 11704095, 14044914, 14784120, 15605460, 18726552, 21607560, 23408190, 28089828, 31210920, 35112285, 46816380, 56179656, 70224570, 93632760, 140449140, 280898280]

約数ペア:

[(1, 280898280), (2, 140449140), (3, 93632760), (4, 70224570), (5, 56179656), (6, 46816380), (8, 35112285), (9, 31210920), (10, 28089828), (12, 23408190), (13, 21607560), (15, 18726552), (18, 15605460), (19, 14784120), (20, 14044914), (24, 11704095), (26, 10803780), (27, 10403640), (30, 9363276), (36, 7802730), (38, 7392060), (39, 7202520), (40, 7022457), (45, 6242184), (52, 5401890), (54, 5201820), (57, 4928040), (60, 4681638), (65, 4321512), (72, 3901365), (76, 3696030), (78, 3601260), (81, 3467880), (90, 3121092), (95, 2956824), (104, 2700945), (108, 2600910), (114, 2464020), (117, 2400840), (120, 2340819), (130, 2160756), (135, 2080728), (152, 1848015), (156, 1800630), (162, 1733940), (169, 1662120), (171, 1642680), (180, 1560546), (190, 1478412), (195, 1440504), (216, 1300455), (228, 1232010), (234, 1200420), (243, 1155960), (247, 1137240), (260, 1080378), (270, 1040364), (285, 985608), (312, 900315), (324, 866970), (338, 831060), (342, 821340), (351, 800280), (360, 780273), (380, 739206), (390, 720252), (405, 693576), (456, 616005), (468, 600210), (486, 577980), (494, 568620), (507, 554040), (513, 547560), (520, 540189), (540, 520182), (570, 492804), (585, 480168), (648, 433485), (676, 415530), (684, 410670), (702, 400140), (729, 385320), (741, 379080), (760, 369603), (780, 360126), (810, 346788), (845, 332424), (855, 328536), (936, 300105), (972, 288990), (988, 284310), (1014, 277020), (1026, 273780), (1053, 266760), (1080, 260091), (1140, 246402), (1170, 240084), (1215, 231192), (1235, 227448), (1352, 207765), (1368, 205335), (1404, 200070), (1458, 192660), (1482, 189540), (1521, 184680), (1539, 182520), (1560, 180063), (1620, 173394), (1690, 166212), (1710, 164268), (1755, 160056), (1944, 144495), (1976, 142155), (2028, 138510), (2052, 136890), (2106, 133380), (2187, 128440), (2223, 126360), (2280, 123201), (2340, 120042), (2430, 115596), (2470, 113724), (2535, 110808), (2565, 109512), (2808, 100035), (2916, 96330), (2964, 94770), (3042, 92340), (3078, 91260), (3159, 88920), (3211, 87480), (3240, 86697), (3380, 83106), (3420, 82134), (3510, 80028), (3645, 77064), (3705, 75816), (4056, 69255), (4104, 68445), (4212, 66690), (4374, 64220), (4446, 63180), (4563, 61560), (4617, 60840), (4680, 60021), (4860, 57798), (4940, 56862), (5070, 55404), (5130, 54756), (5265, 53352), (5832, 48165), (5928, 47385), (6084, 46170), (6156, 45630), (6318, 44460), (6422, 43740), (6669, 42120), (6760, 41553), (6840, 41067), (7020, 40014), (7290, 38532), (7410, 37908), (7605, 36936), (7695, 36504), (8424, 33345), (8748, 32110), (8892, 31590), (9126, 30780), (9234, 30420), (9477, 29640), (9633, 29160), (9720, 28899), (9880, 28431), (10140, 27702), (10260, 27378), (10530, 26676), (10935, 25688), (11115, 25272), (12168, 23085), (12312, 22815), (12636, 22230), (12844, 21870), (13338, 21060), (13689, 20520), (13851, 20280), (14040, 20007), (14580, 19266), (14820, 18954), (15210, 18468), (15390, 18252), (15795, 17784), (16055, 17496)]