278382240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2111

約数の個数: 144

約数和(自身を含む): 960254568

約数和(自身を除く): 681872328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 97, 120, 144, 160, 180, 194, 240, 288, 291, 360, 388, 480, 485, 582, 720, 776, 873, 970, 1164, 1440, 1455, 1552, 1746, 1940, 1993, 2328, 2910, 3104, 3492, 3880, 3986, 4365, 4656, 5820, 5979, 6984, 7760, 7972, 8730, 9312, 9965, 11640, 11958, 13968, 15520, 15944, 17460, 17937, 19930, 23280, 23916, 27936, 29895, 31888, 34920, 35874, 39860, 46560, 47832, 59790, 63776, 69840, 71748, 79720, 89685, 95664, 119580, 139680, 143496, 159440, 179370, 191328, 193321, 239160, 286992, 318880, 358740, 386642, 478320, 573984, 579963, 717480, 773284, 956640, 966605, 1159926, 1434960, 1546568, 1739889, 1933210, 2319852, 2869920, 2899815, 3093136, 3479778, 3866420, 4639704, 5799630, 6186272, 6959556, 7732840, 8699445, 9279408, 11599260, 13919112, 15465680, 17398890, 18558816, 23198520, 27838224, 30931360, 34797780, 46397040, 55676448, 69595560, 92794080, 139191120, 278382240]

約数ペア:

[(1, 278382240), (2, 139191120), (3, 92794080), (4, 69595560), (5, 55676448), (6, 46397040), (8, 34797780), (9, 30931360), (10, 27838224), (12, 23198520), (15, 18558816), (16, 17398890), (18, 15465680), (20, 13919112), (24, 11599260), (30, 9279408), (32, 8699445), (36, 7732840), (40, 6959556), (45, 6186272), (48, 5799630), (60, 4639704), (72, 3866420), (80, 3479778), (90, 3093136), (96, 2899815), (97, 2869920), (120, 2319852), (144, 1933210), (160, 1739889), (180, 1546568), (194, 1434960), (240, 1159926), (288, 966605), (291, 956640), (360, 773284), (388, 717480), (480, 579963), (485, 573984), (582, 478320), (720, 386642), (776, 358740), (873, 318880), (970, 286992), (1164, 239160), (1440, 193321), (1455, 191328), (1552, 179370), (1746, 159440), (1940, 143496), (1993, 139680), (2328, 119580), (2910, 95664), (3104, 89685), (3492, 79720), (3880, 71748), (3986, 69840), (4365, 63776), (4656, 59790), (5820, 47832), (5979, 46560), (6984, 39860), (7760, 35874), (7972, 34920), (8730, 31888), (9312, 29895), (9965, 27936), (11640, 23916), (11958, 23280), (13968, 19930), (15520, 17937), (15944, 17460)]