15243700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 35622720

約数和(自身を除く): 20379020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 113, 142, 190, 226, 284, 355, 380, 452, 475, 565, 710, 950, 1130, 1349, 1420, 1775, 1900, 2147, 2260, 2698, 2825, 3550, 4294, 5396, 5650, 6745, 7100, 8023, 8588, 10735, 11300, 13490, 16046, 21470, 26980, 32092, 33725, 40115, 42940, 53675, 67450, 80230, 107350, 134900, 152437, 160460, 200575, 214700, 304874, 401150, 609748, 762185, 802300, 1524370, 3048740, 3810925, 7621850, 15243700]

約数ペア:

[(1, 15243700), (2, 7621850), (4, 3810925), (5, 3048740), (10, 1524370), (19, 802300), (20, 762185), (25, 609748), (38, 401150), (50, 304874), (71, 214700), (76, 200575), (95, 160460), (100, 152437), (113, 134900), (142, 107350), (190, 80230), (226, 67450), (284, 53675), (355, 42940), (380, 40115), (452, 33725), (475, 32092), (565, 26980), (710, 21470), (950, 16046), (1130, 13490), (1349, 11300), (1420, 10735), (1775, 8588), (1900, 8023), (2147, 7100), (2260, 6745), (2698, 5650), (2825, 5396), (3550, 4294)]