155405480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5514

約数の個数: 64

約数和(自身を含む): 376704000

約数和(自身を除く): 221298520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5449, 5704, 7130, 10898, 14260, 21796, 27245, 28520, 43592, 54490, 108980, 125327, 168919, 217960, 250654, 337838, 501308, 626635, 675676, 844595, 1002616, 1253270, 1351352, 1689190, 2506540, 3378380, 3885137, 5013080, 6756760, 7770274, 15540548, 19425685, 31081096, 38851370, 77702740, 155405480]

約数ペア:

[(1, 155405480), (2, 77702740), (4, 38851370), (5, 31081096), (8, 19425685), (10, 15540548), (20, 7770274), (23, 6756760), (31, 5013080), (40, 3885137), (46, 3378380), (62, 2506540), (92, 1689190), (115, 1351352), (124, 1253270), (155, 1002616), (184, 844595), (230, 675676), (248, 626635), (310, 501308), (460, 337838), (620, 250654), (713, 217960), (920, 168919), (1240, 125327), (1426, 108980), (2852, 54490), (3565, 43592), (5449, 28520), (5704, 27245), (7130, 21796), (10898, 14260)]