28053480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:408

約数の個数: 192

約数和(自身を含む): 105719040

約数和(自身を除く): 77665560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 367, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 734, 735, 780, 840, 910, 980, 1092, 1101, 1176, 1274, 1365, 1468, 1470, 1560, 1820, 1835, 1911, 1960, 2184, 2202, 2548, 2569, 2730, 2936, 2940, 3185, 3640, 3670, 3822, 4404, 4771, 5096, 5138, 5460, 5505, 5880, 6370, 7340, 7644, 7707, 8808, 9542, 9555, 10276, 10920, 11010, 12740, 12845, 14313, 14680, 15288, 15414, 17983, 19084, 19110, 20552, 22020, 23855, 25480, 25690, 28626, 30828, 33397, 35966, 38168, 38220, 38535, 44040, 47710, 51380, 53949, 57252, 61656, 66794, 71565, 71932, 76440, 77070, 89915, 95420, 100191, 102760, 107898, 114504, 133588, 143130, 143864, 154140, 166985, 179830, 190840, 200382, 215796, 233779, 267176, 269745, 286260, 308280, 333970, 359660, 400764, 431592, 467558, 500955, 539490, 572520, 667940, 701337, 719320, 801528, 935116, 1001910, 1078980, 1168895, 1335880, 1402674, 1870232, 2003820, 2157960, 2337790, 2805348, 3506685, 4007640, 4675580, 5610696, 7013370, 9351160, 14026740, 28053480]

約数ペア:

[(1, 28053480), (2, 14026740), (3, 9351160), (4, 7013370), (5, 5610696), (6, 4675580), (7, 4007640), (8, 3506685), (10, 2805348), (12, 2337790), (13, 2157960), (14, 2003820), (15, 1870232), (20, 1402674), (21, 1335880), (24, 1168895), (26, 1078980), (28, 1001910), (30, 935116), (35, 801528), (39, 719320), (40, 701337), (42, 667940), (49, 572520), (52, 539490), (56, 500955), (60, 467558), (65, 431592), (70, 400764), (78, 359660), (84, 333970), (91, 308280), (98, 286260), (104, 269745), (105, 267176), (120, 233779), (130, 215796), (140, 200382), (147, 190840), (156, 179830), (168, 166985), (182, 154140), (195, 143864), (196, 143130), (210, 133588), (245, 114504), (260, 107898), (273, 102760), (280, 100191), (294, 95420), (312, 89915), (364, 77070), (367, 76440), (390, 71932), (392, 71565), (420, 66794), (455, 61656), (490, 57252), (520, 53949), (546, 51380), (588, 47710), (637, 44040), (728, 38535), (734, 38220), (735, 38168), (780, 35966), (840, 33397), (910, 30828), (980, 28626), (1092, 25690), (1101, 25480), (1176, 23855), (1274, 22020), (1365, 20552), (1468, 19110), (1470, 19084), (1560, 17983), (1820, 15414), (1835, 15288), (1911, 14680), (1960, 14313), (2184, 12845), (2202, 12740), (2548, 11010), (2569, 10920), (2730, 10276), (2936, 9555), (2940, 9542), (3185, 8808), (3640, 7707), (3670, 7644), (3822, 7340), (4404, 6370), (4771, 5880), (5096, 5505), (5138, 5460)]