155495280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2521}}^1$

素因数の和:2794

約数の個数: 80

約数和(自身を含む): 484102944

約数和(自身を除く): 328607664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2521, 2570, 3084, 3855, 4112, 5042, 5140, 6168, 7563, 7710, 10084, 10280, 12336, 12605, 15126, 15420, 20168, 20560, 25210, 30252, 30840, 37815, 40336, 50420, 60504, 61680, 75630, 100840, 121008, 151260, 201680, 302520, 605040, 647897, 1295794, 1943691, 2591588, 3239485, 3887382, 5183176, 6478970, 7774764, 9718455, 10366352, 12957940, 15549528, 19436910, 25915880, 31099056, 38873820, 51831760, 77747640, 155495280]

約数ペア:

[(1, 155495280), (2, 77747640), (3, 51831760), (4, 38873820), (5, 31099056), (6, 25915880), (8, 19436910), (10, 15549528), (12, 12957940), (15, 10366352), (16, 9718455), (20, 7774764), (24, 6478970), (30, 5183176), (40, 3887382), (48, 3239485), (60, 2591588), (80, 1943691), (120, 1295794), (240, 647897), (257, 605040), (514, 302520), (771, 201680), (1028, 151260), (1285, 121008), (1542, 100840), (2056, 75630), (2521, 61680), (2570, 60504), (3084, 50420), (3855, 40336), (4112, 37815), (5042, 30840), (5140, 30252), (6168, 25210), (7563, 20560), (7710, 20168), (10084, 15420), (10280, 15126), (12336, 12605)]