64621240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 152668800

約数和(自身を除く): 88047560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 929, 940, 1480, 1739, 1858, 1880, 3478, 3716, 4645, 6956, 7432, 8695, 9290, 13912, 17390, 18580, 34373, 34780, 37160, 43663, 68746, 69560, 87326, 137492, 171865, 174652, 218315, 274984, 343730, 349304, 436630, 687460, 873260, 1374920, 1615531, 1746520, 3231062, 6462124, 8077655, 12924248, 16155310, 32310620, 64621240]

約数ペア:

[(1, 64621240), (2, 32310620), (4, 16155310), (5, 12924248), (8, 8077655), (10, 6462124), (20, 3231062), (37, 1746520), (40, 1615531), (47, 1374920), (74, 873260), (94, 687460), (148, 436630), (185, 349304), (188, 343730), (235, 274984), (296, 218315), (370, 174652), (376, 171865), (470, 137492), (740, 87326), (929, 69560), (940, 68746), (1480, 43663), (1739, 37160), (1858, 34780), (1880, 34373), (3478, 18580), (3716, 17390), (4645, 13912), (6956, 9290), (7432, 8695)]