1220987880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3643}}^1$

素因数の和:3693

約数の個数: 288

約数和(自身を含む): 4860367200

約数和(自身を除く): 3639379320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 49, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 98, 105, 114, 120, 126, 133, 140, 147, 152, 168, 171, 180, 190, 196, 210, 228, 245, 252, 266, 280, 285, 294, 315, 342, 360, 380, 392, 399, 420, 441, 456, 490, 504, 532, 570, 588, 630, 665, 684, 735, 760, 798, 840, 855, 882, 931, 980, 1064, 1140, 1176, 1197, 1260, 1330, 1368, 1470, 1596, 1710, 1764, 1862, 1960, 1995, 2205, 2280, 2394, 2520, 2660, 2793, 2940, 3192, 3420, 3528, 3643, 3724, 3990, 4410, 4655, 4788, 5320, 5586, 5880, 5985, 6840, 7286, 7448, 7980, 8379, 8820, 9310, 9576, 10929, 11172, 11970, 13965, 14572, 15960, 16758, 17640, 18215, 18620, 21858, 22344, 23940, 25501, 27930, 29144, 32787, 33516, 36430, 37240, 41895, 43716, 47880, 51002, 54645, 55860, 65574, 67032, 69217, 72860, 76503, 83790, 87432, 102004, 109290, 111720, 127505, 131148, 138434, 145720, 153006, 163935, 167580, 178507, 204008, 207651, 218580, 229509, 255010, 262296, 276868, 306012, 327870, 335160, 346085, 357014, 382515, 415302, 437160, 459018, 484519, 510020, 535521, 553736, 612024, 622953, 655740, 692170, 714028, 765030, 830604, 892535, 918036, 969038, 1020040, 1038255, 1071042, 1147545, 1245906, 1311480, 1384340, 1428056, 1453557, 1530060, 1606563, 1661208, 1785070, 1836072, 1938076, 2076510, 2142084, 2295090, 2422595, 2491812, 2677605, 2768680, 2907114, 3060120, 3114765, 3213126, 3391633, 3570140, 3876152, 4153020, 4284168, 4360671, 4590180, 4845190, 4983624, 5355210, 5814228, 6229530, 6426252, 6783266, 7140280, 7267785, 8032815, 8306040, 8721342, 9180360, 9690380, 10174899, 10710420, 11628456, 12459060, 12852504, 13566532, 14535570, 16065630, 16958165, 17442684, 19380760, 20349798, 21420840, 21803355, 24918120, 27133064, 29071140, 30524697, 32131260, 33916330, 34885368, 40699596, 43606710, 50874495, 58142280, 61049394, 64262520, 67832660, 81399192, 87213420, 101748990, 122098788, 135665320, 152623485, 174426840, 203497980, 244197576, 305246970, 406995960, 610493940, 1220987880]

約数ペア:

[(1, 1220987880), (2, 610493940), (3, 406995960), (4, 305246970), (5, 244197576), (6, 203497980), (7, 174426840), (8, 152623485), (9, 135665320), (10, 122098788), (12, 101748990), (14, 87213420), (15, 81399192), (18, 67832660), (19, 64262520), (20, 61049394), (21, 58142280), (24, 50874495), (28, 43606710), (30, 40699596), (35, 34885368), (36, 33916330), (38, 32131260), (40, 30524697), (42, 29071140), (45, 27133064), (49, 24918120), (56, 21803355), (57, 21420840), (60, 20349798), (63, 19380760), (70, 17442684), (72, 16958165), (76, 16065630), (84, 14535570), (90, 13566532), (95, 12852504), (98, 12459060), (105, 11628456), (114, 10710420), (120, 10174899), (126, 9690380), (133, 9180360), (140, 8721342), (147, 8306040), (152, 8032815), (168, 7267785), (171, 7140280), (180, 6783266), (190, 6426252), (196, 6229530), (210, 5814228), (228, 5355210), (245, 4983624), (252, 4845190), (266, 4590180), (280, 4360671), (285, 4284168), (294, 4153020), (315, 3876152), (342, 3570140), (360, 3391633), (380, 3213126), (392, 3114765), (399, 3060120), (420, 2907114), (441, 2768680), (456, 2677605), (490, 2491812), (504, 2422595), (532, 2295090), (570, 2142084), (588, 2076510), (630, 1938076), (665, 1836072), (684, 1785070), (735, 1661208), (760, 1606563), (798, 1530060), (840, 1453557), (855, 1428056), (882, 1384340), (931, 1311480), (980, 1245906), (1064, 1147545), (1140, 1071042), (1176, 1038255), (1197, 1020040), (1260, 969038), (1330, 918036), (1368, 892535), (1470, 830604), (1596, 765030), (1710, 714028), (1764, 692170), (1862, 655740), (1960, 622953), (1995, 612024), (2205, 553736), (2280, 535521), (2394, 510020), (2520, 484519), (2660, 459018), (2793, 437160), (2940, 415302), (3192, 382515), (3420, 357014), (3528, 346085), (3643, 335160), (3724, 327870), (3990, 306012), (4410, 276868), (4655, 262296), (4788, 255010), (5320, 229509), (5586, 218580), (5880, 207651), (5985, 204008), (6840, 178507), (7286, 167580), (7448, 163935), (7980, 153006), (8379, 145720), (8820, 138434), (9310, 131148), (9576, 127505), (10929, 111720), (11172, 109290), (11970, 102004), (13965, 87432), (14572, 83790), (15960, 76503), (16758, 72860), (17640, 69217), (18215, 67032), (18620, 65574), (21858, 55860), (22344, 54645), (23940, 51002), (25501, 47880), (27930, 43716), (29144, 41895), (32787, 37240), (33516, 36430)]