28276560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 320

約数和(自身を含む): 112492800

約数和(自身を除く): 84216240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 48, 52, 53, 54, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 106, 108, 114, 117, 120, 130, 135, 144, 152, 156, 159, 171, 180, 190, 195, 208, 212, 216, 228, 234, 240, 247, 260, 265, 270, 285, 304, 312, 318, 342, 351, 360, 380, 390, 424, 432, 456, 468, 477, 494, 513, 520, 530, 540, 570, 585, 624, 636, 684, 689, 702, 720, 741, 760, 780, 795, 848, 855, 912, 936, 954, 988, 1007, 1026, 1040, 1060, 1080, 1140, 1170, 1235, 1272, 1368, 1378, 1404, 1431, 1482, 1520, 1560, 1590, 1710, 1755, 1872, 1908, 1976, 2014, 2052, 2067, 2120, 2160, 2223, 2280, 2340, 2385, 2470, 2544, 2565, 2736, 2756, 2808, 2862, 2964, 3021, 3120, 3180, 3420, 3445, 3510, 3705, 3816, 3952, 4028, 4104, 4134, 4240, 4446, 4560, 4680, 4770, 4940, 5035, 5130, 5512, 5616, 5724, 5928, 6042, 6201, 6360, 6669, 6840, 6890, 7020, 7155, 7410, 7632, 8056, 8208, 8268, 8892, 9063, 9360, 9540, 9880, 10070, 10260, 10335, 11024, 11115, 11448, 11856, 12084, 12402, 12720, 13091, 13338, 13680, 13780, 14040, 14310, 14820, 15105, 16112, 16536, 17784, 18126, 18603, 19080, 19760, 20140, 20520, 20670, 22230, 22896, 24168, 24804, 26182, 26676, 27189, 27560, 28080, 28620, 29640, 30210, 31005, 33072, 33345, 35568, 36252, 37206, 38160, 39273, 40280, 41040, 41340, 44460, 45315, 48336, 49608, 52364, 53352, 54378, 55120, 57240, 59280, 60420, 62010, 65455, 66690, 72504, 74412, 78546, 80560, 82680, 88920, 90630, 93015, 99216, 104728, 106704, 108756, 114480, 117819, 120840, 124020, 130910, 133380, 135945, 145008, 148824, 157092, 165360, 177840, 181260, 186030, 196365, 209456, 217512, 235638, 241680, 248040, 261820, 266760, 271890, 297648, 314184, 353457, 362520, 372060, 392730, 435024, 471276, 496080, 523640, 533520, 543780, 589095, 628368, 706914, 725040, 744120, 785460, 942552, 1047280, 1087560, 1178190, 1413828, 1488240, 1570920, 1767285, 1885104, 2175120, 2356380, 2827656, 3141840, 3534570, 4712760, 5655312, 7069140, 9425520, 14138280, 28276560]

約数ペア:

[(1, 28276560), (2, 14138280), (3, 9425520), (4, 7069140), (5, 5655312), (6, 4712760), (8, 3534570), (9, 3141840), (10, 2827656), (12, 2356380), (13, 2175120), (15, 1885104), (16, 1767285), (18, 1570920), (19, 1488240), (20, 1413828), (24, 1178190), (26, 1087560), (27, 1047280), (30, 942552), (36, 785460), (38, 744120), (39, 725040), (40, 706914), (45, 628368), (48, 589095), (52, 543780), (53, 533520), (54, 523640), (57, 496080), (60, 471276), (65, 435024), (72, 392730), (76, 372060), (78, 362520), (80, 353457), (90, 314184), (95, 297648), (104, 271890), (106, 266760), (108, 261820), (114, 248040), (117, 241680), (120, 235638), (130, 217512), (135, 209456), (144, 196365), (152, 186030), (156, 181260), (159, 177840), (171, 165360), (180, 157092), (190, 148824), (195, 145008), (208, 135945), (212, 133380), (216, 130910), (228, 124020), (234, 120840), (240, 117819), (247, 114480), (260, 108756), (265, 106704), (270, 104728), (285, 99216), (304, 93015), (312, 90630), (318, 88920), (342, 82680), (351, 80560), (360, 78546), (380, 74412), (390, 72504), (424, 66690), (432, 65455), (456, 62010), (468, 60420), (477, 59280), (494, 57240), (513, 55120), (520, 54378), (530, 53352), (540, 52364), (570, 49608), (585, 48336), (624, 45315), (636, 44460), (684, 41340), (689, 41040), (702, 40280), (720, 39273), (741, 38160), (760, 37206), (780, 36252), (795, 35568), (848, 33345), (855, 33072), (912, 31005), (936, 30210), (954, 29640), (988, 28620), (1007, 28080), (1026, 27560), (1040, 27189), (1060, 26676), (1080, 26182), (1140, 24804), (1170, 24168), (1235, 22896), (1272, 22230), (1368, 20670), (1378, 20520), (1404, 20140), (1431, 19760), (1482, 19080), (1520, 18603), (1560, 18126), (1590, 17784), (1710, 16536), (1755, 16112), (1872, 15105), (1908, 14820), (1976, 14310), (2014, 14040), (2052, 13780), (2067, 13680), (2120, 13338), (2160, 13091), (2223, 12720), (2280, 12402), (2340, 12084), (2385, 11856), (2470, 11448), (2544, 11115), (2565, 11024), (2736, 10335), (2756, 10260), (2808, 10070), (2862, 9880), (2964, 9540), (3021, 9360), (3120, 9063), (3180, 8892), (3420, 8268), (3445, 8208), (3510, 8056), (3705, 7632), (3816, 7410), (3952, 7155), (4028, 7020), (4104, 6890), (4134, 6840), (4240, 6669), (4446, 6360), (4560, 6201), (4680, 6042), (4770, 5928), (4940, 5724), (5035, 5616), (5130, 5512)]