64036390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 131880960

約数和(自身を除く): 67844570

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 89, 110, 155, 178, 211, 310, 341, 422, 445, 682, 890, 979, 1055, 1705, 1958, 2110, 2321, 2759, 3410, 4642, 4895, 5518, 6541, 9790, 11605, 13082, 13795, 18779, 23210, 27590, 30349, 32705, 37558, 60698, 65410, 71951, 93895, 143902, 151745, 187790, 206569, 303490, 359755, 413138, 582149, 719510, 1032845, 1164298, 2065690, 2910745, 5821490, 6403639, 12807278, 32018195, 64036390]

約数ペア:

[(1, 64036390), (2, 32018195), (5, 12807278), (10, 6403639), (11, 5821490), (22, 2910745), (31, 2065690), (55, 1164298), (62, 1032845), (89, 719510), (110, 582149), (155, 413138), (178, 359755), (211, 303490), (310, 206569), (341, 187790), (422, 151745), (445, 143902), (682, 93895), (890, 71951), (979, 65410), (1055, 60698), (1705, 37558), (1958, 32705), (2110, 30349), (2321, 27590), (2759, 23210), (3410, 18779), (4642, 13795), (4895, 13082), (5518, 11605), (6541, 9790)]