305446720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:840

約数の個数: 112

約数和(自身を含む): 770144256

約数和(自身を除く): 464697536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 656, 751, 820, 992, 1240, 1271, 1312, 1502, 1640, 1984, 2480, 2542, 2624, 3004, 3280, 3755, 4960, 5084, 6008, 6355, 6560, 7510, 9920, 10168, 12016, 12710, 13120, 15020, 20336, 23281, 24032, 25420, 30040, 30791, 40672, 46562, 48064, 50840, 60080, 61582, 81344, 93124, 101680, 116405, 120160, 123164, 153955, 186248, 203360, 232810, 240320, 246328, 307910, 372496, 406720, 465620, 492656, 615820, 744992, 931240, 954521, 985312, 1231640, 1489984, 1862480, 1909042, 1970624, 2463280, 3724960, 3818084, 4772605, 4926560, 7449920, 7636168, 9545210, 9853120, 15272336, 19090420, 30544672, 38180840, 61089344, 76361680, 152723360, 305446720]

約数ペア:

[(1, 305446720), (2, 152723360), (4, 76361680), (5, 61089344), (8, 38180840), (10, 30544672), (16, 19090420), (20, 15272336), (31, 9853120), (32, 9545210), (40, 7636168), (41, 7449920), (62, 4926560), (64, 4772605), (80, 3818084), (82, 3724960), (124, 2463280), (155, 1970624), (160, 1909042), (164, 1862480), (205, 1489984), (248, 1231640), (310, 985312), (320, 954521), (328, 931240), (410, 744992), (496, 615820), (620, 492656), (656, 465620), (751, 406720), (820, 372496), (992, 307910), (1240, 246328), (1271, 240320), (1312, 232810), (1502, 203360), (1640, 186248), (1984, 153955), (2480, 123164), (2542, 120160), (2624, 116405), (3004, 101680), (3280, 93124), (3755, 81344), (4960, 61582), (5084, 60080), (6008, 50840), (6355, 48064), (6560, 46562), (7510, 40672), (9920, 30791), (10168, 30040), (12016, 25420), (12710, 24032), (13120, 23281), (15020, 20336)]