7975290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12242310

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 89, 103, 145, 174, 178, 206, 267, 290, 309, 435, 445, 515, 534, 618, 870, 890, 1030, 1335, 1545, 2581, 2670, 2987, 3090, 5162, 5974, 7743, 8961, 9167, 12905, 14935, 15486, 17922, 18334, 25810, 27501, 29870, 38715, 44805, 45835, 55002, 77430, 89610, 91670, 137505, 265843, 275010, 531686, 797529, 1329215, 1595058, 2658430, 3987645, 7975290]

約数ペア:

[(1, 7975290), (2, 3987645), (3, 2658430), (5, 1595058), (6, 1329215), (10, 797529), (15, 531686), (29, 275010), (30, 265843), (58, 137505), (87, 91670), (89, 89610), (103, 77430), (145, 55002), (174, 45835), (178, 44805), (206, 38715), (267, 29870), (290, 27501), (309, 25810), (435, 18334), (445, 17922), (515, 15486), (534, 14935), (618, 12905), (870, 9167), (890, 8961), (1030, 7743), (1335, 5974), (1545, 5162), (2581, 3090), (2670, 2987)]