280197840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2957

約数の個数: 160

約数和(自身を含む): 965938176

約数和(自身を除く): 685740336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 930, 1040, 1209, 1240, 1488, 1560, 1612, 1860, 2015, 2418, 2480, 2897, 3120, 3224, 3720, 4030, 4836, 5794, 6045, 6448, 7440, 8060, 8691, 9672, 11588, 12090, 14485, 16120, 17382, 19344, 23176, 24180, 28970, 32240, 34764, 37661, 43455, 46352, 48360, 57940, 69528, 75322, 86910, 89807, 96720, 112983, 115880, 139056, 150644, 173820, 179614, 188305, 225966, 231760, 269421, 301288, 347640, 359228, 376610, 449035, 451932, 538842, 564915, 602576, 695280, 718456, 753220, 898070, 903864, 1077684, 1129830, 1167491, 1347105, 1436912, 1506440, 1796140, 1807728, 2155368, 2259660, 2334982, 2694210, 3012880, 3502473, 3592280, 4310736, 4519320, 4669964, 5388420, 5837455, 7004946, 7184560, 9038640, 9339928, 10776840, 11674910, 14009892, 17512365, 18679856, 21553680, 23349820, 28019784, 35024730, 46699640, 56039568, 70049460, 93399280, 140098920, 280197840]

約数ペア:

[(1, 280197840), (2, 140098920), (3, 93399280), (4, 70049460), (5, 56039568), (6, 46699640), (8, 35024730), (10, 28019784), (12, 23349820), (13, 21553680), (15, 18679856), (16, 17512365), (20, 14009892), (24, 11674910), (26, 10776840), (30, 9339928), (31, 9038640), (39, 7184560), (40, 7004946), (48, 5837455), (52, 5388420), (60, 4669964), (62, 4519320), (65, 4310736), (78, 3592280), (80, 3502473), (93, 3012880), (104, 2694210), (120, 2334982), (124, 2259660), (130, 2155368), (155, 1807728), (156, 1796140), (186, 1506440), (195, 1436912), (208, 1347105), (240, 1167491), (248, 1129830), (260, 1077684), (310, 903864), (312, 898070), (372, 753220), (390, 718456), (403, 695280), (465, 602576), (496, 564915), (520, 538842), (620, 451932), (624, 449035), (744, 376610), (780, 359228), (806, 347640), (930, 301288), (1040, 269421), (1209, 231760), (1240, 225966), (1488, 188305), (1560, 179614), (1612, 173820), (1860, 150644), (2015, 139056), (2418, 115880), (2480, 112983), (2897, 96720), (3120, 89807), (3224, 86910), (3720, 75322), (4030, 69528), (4836, 57940), (5794, 48360), (6045, 46352), (6448, 43455), (7440, 37661), (8060, 34764), (8691, 32240), (9672, 28970), (11588, 24180), (12090, 23176), (14485, 19344), (16120, 17382)]