155804560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102503}}^1$

素因数の和:102535

約数の個数: 40

約数和(自身を含む): 381314880

約数和(自身を除く): 225510320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 102503, 205006, 410012, 512515, 820024, 1025030, 1640048, 1947557, 2050060, 3895114, 4100120, 7790228, 8200240, 9737785, 15580456, 19475570, 31160912, 38951140, 77902280, 155804560]

約数ペア:

[(1, 155804560), (2, 77902280), (4, 38951140), (5, 31160912), (8, 19475570), (10, 15580456), (16, 9737785), (19, 8200240), (20, 7790228), (38, 4100120), (40, 3895114), (76, 2050060), (80, 1947557), (95, 1640048), (152, 1025030), (190, 820024), (304, 512515), (380, 410012), (760, 205006), (1520, 102503)]