155316640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2689}}^1$

素因数の和:2742

約数の個数: 72

約数和(自身を含む): 387408420

約数和(自身を除く): 232091780

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1805, 2689, 2888, 3040, 3610, 5378, 5776, 7220, 10756, 11552, 13445, 14440, 21512, 26890, 28880, 43024, 51091, 53780, 57760, 86048, 102182, 107560, 204364, 215120, 255455, 408728, 430240, 510910, 817456, 970729, 1021820, 1634912, 1941458, 2043640, 3882916, 4087280, 4853645, 7765832, 8174560, 9707290, 15531664, 19414580, 31063328, 38829160, 77658320, 155316640]

約数ペア:

[(1, 155316640), (2, 77658320), (4, 38829160), (5, 31063328), (8, 19414580), (10, 15531664), (16, 9707290), (19, 8174560), (20, 7765832), (32, 4853645), (38, 4087280), (40, 3882916), (76, 2043640), (80, 1941458), (95, 1634912), (152, 1021820), (160, 970729), (190, 817456), (304, 510910), (361, 430240), (380, 408728), (608, 255455), (722, 215120), (760, 204364), (1444, 107560), (1520, 102182), (1805, 86048), (2689, 57760), (2888, 53780), (3040, 51091), (3610, 43024), (5378, 28880), (5776, 26890), (7220, 21512), (10756, 14440), (11552, 13445)]