308928640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 128

約数和(自身を含む): 796677120

約数和(自身を除く): 487748480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 640, 677, 713, 736, 920, 992, 1240, 1354, 1426, 1472, 1840, 1984, 2480, 2708, 2852, 2944, 3385, 3565, 3680, 3968, 4960, 5416, 5704, 6770, 7130, 7360, 9920, 10832, 11408, 13540, 14260, 14720, 15571, 19840, 20987, 21664, 22816, 27080, 28520, 31142, 41974, 43328, 45632, 54160, 57040, 62284, 77855, 83948, 86656, 91264, 104935, 108320, 114080, 124568, 155710, 167896, 209870, 216640, 228160, 249136, 311420, 335792, 419740, 433280, 456320, 482701, 498272, 622840, 671584, 839480, 965402, 996544, 1245680, 1343168, 1678960, 1930804, 1993088, 2413505, 2491360, 2686336, 3357920, 3861608, 4827010, 4982720, 6715840, 7723216, 9654020, 9965440, 13431680, 15446432, 19308040, 30892864, 38616080, 61785728, 77232160, 154464320, 308928640]

約数ペア:

[(1, 308928640), (2, 154464320), (4, 77232160), (5, 61785728), (8, 38616080), (10, 30892864), (16, 19308040), (20, 15446432), (23, 13431680), (31, 9965440), (32, 9654020), (40, 7723216), (46, 6715840), (62, 4982720), (64, 4827010), (80, 3861608), (92, 3357920), (115, 2686336), (124, 2491360), (128, 2413505), (155, 1993088), (160, 1930804), (184, 1678960), (230, 1343168), (248, 1245680), (310, 996544), (320, 965402), (368, 839480), (460, 671584), (496, 622840), (620, 498272), (640, 482701), (677, 456320), (713, 433280), (736, 419740), (920, 335792), (992, 311420), (1240, 249136), (1354, 228160), (1426, 216640), (1472, 209870), (1840, 167896), (1984, 155710), (2480, 124568), (2708, 114080), (2852, 108320), (2944, 104935), (3385, 91264), (3565, 86656), (3680, 83948), (3968, 77855), (4960, 62284), (5416, 57040), (5704, 54160), (6770, 45632), (7130, 43328), (7360, 41974), (9920, 31142), (10832, 28520), (11408, 27080), (13540, 22816), (14260, 21664), (14720, 20987), (15571, 19840)]