8730520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 21422880

約数和(自身を除く): 12692360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 347, 370, 629, 680, 694, 740, 1258, 1388, 1480, 1735, 2516, 2776, 3145, 3470, 5032, 5899, 6290, 6940, 11798, 12580, 12839, 13880, 23596, 25160, 25678, 29495, 47192, 51356, 58990, 64195, 102712, 117980, 128390, 218263, 235960, 256780, 436526, 513560, 873052, 1091315, 1746104, 2182630, 4365260, 8730520]

約数ペア:

[(1, 8730520), (2, 4365260), (4, 2182630), (5, 1746104), (8, 1091315), (10, 873052), (17, 513560), (20, 436526), (34, 256780), (37, 235960), (40, 218263), (68, 128390), (74, 117980), (85, 102712), (136, 64195), (148, 58990), (170, 51356), (185, 47192), (296, 29495), (340, 25678), (347, 25160), (370, 23596), (629, 13880), (680, 12839), (694, 12580), (740, 11798), (1258, 6940), (1388, 6290), (1480, 5899), (1735, 5032), (2516, 3470), (2776, 3145)]