1645347080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{85517}}^1$

素因数の和:85578

約数の個数: 64

約数和(自身を含む): 4094601840

約数和(自身を除く): 2449254760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 85517, 171034, 342068, 427585, 684136, 855170, 1111721, 1710340, 2223442, 3164129, 3420680, 4446884, 5558605, 6328258, 8893768, 11117210, 12656516, 15820645, 22234420, 25313032, 31641290, 41133677, 44468840, 63282580, 82267354, 126565160, 164534708, 205668385, 329069416, 411336770, 822673540, 1645347080]

約数ペア:

[(1, 1645347080), (2, 822673540), (4, 411336770), (5, 329069416), (8, 205668385), (10, 164534708), (13, 126565160), (20, 82267354), (26, 63282580), (37, 44468840), (40, 41133677), (52, 31641290), (65, 25313032), (74, 22234420), (104, 15820645), (130, 12656516), (148, 11117210), (185, 8893768), (260, 6328258), (296, 5558605), (370, 4446884), (481, 3420680), (520, 3164129), (740, 2223442), (962, 1710340), (1480, 1111721), (1924, 855170), (2405, 684136), (3848, 427585), (4810, 342068), (9620, 171034), (19240, 85517)]