69640840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2254

約数の個数: 64

約数和(自身を含む): 169516800

約数和(自身を除く): 99875960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 2179, 3196, 3995, 4358, 6392, 7990, 8716, 10895, 15980, 17432, 21790, 31960, 37043, 43580, 74086, 87160, 102413, 148172, 185215, 204826, 296344, 370430, 409652, 512065, 740860, 819304, 1024130, 1481720, 1741021, 2048260, 3482042, 4096520, 6964084, 8705105, 13928168, 17410210, 34820420, 69640840]

約数ペア:

[(1, 69640840), (2, 34820420), (4, 17410210), (5, 13928168), (8, 8705105), (10, 6964084), (17, 4096520), (20, 3482042), (34, 2048260), (40, 1741021), (47, 1481720), (68, 1024130), (85, 819304), (94, 740860), (136, 512065), (170, 409652), (188, 370430), (235, 296344), (340, 204826), (376, 185215), (470, 148172), (680, 102413), (799, 87160), (940, 74086), (1598, 43580), (1880, 37043), (2179, 31960), (3196, 21790), (3995, 17432), (4358, 15980), (6392, 10895), (7990, 8716)]