72581330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 152098560

約数和(自身を除く): 79517230

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 323, 391, 437, 646, 782, 874, 977, 1615, 1954, 1955, 2185, 3230, 3910, 4370, 4885, 7429, 9770, 14858, 16609, 18563, 22471, 33218, 37126, 37145, 44942, 74290, 83045, 92815, 112355, 166090, 185630, 224710, 315571, 382007, 426949, 631142, 764014, 853898, 1577855, 1910035, 2134745, 3155710, 3820070, 4269490, 7258133, 14516266, 36290665, 72581330]

約数ペア:

[(1, 72581330), (2, 36290665), (5, 14516266), (10, 7258133), (17, 4269490), (19, 3820070), (23, 3155710), (34, 2134745), (38, 1910035), (46, 1577855), (85, 853898), (95, 764014), (115, 631142), (170, 426949), (190, 382007), (230, 315571), (323, 224710), (391, 185630), (437, 166090), (646, 112355), (782, 92815), (874, 83045), (977, 74290), (1615, 44942), (1954, 37145), (1955, 37126), (2185, 33218), (3230, 22471), (3910, 18563), (4370, 16609), (4885, 14858), (7429, 9770)]