65664640

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 167443200

約数和(自身を除く): 101778560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 47, 59, 64, 74, 80, 94, 118, 128, 148, 160, 185, 188, 235, 236, 295, 296, 320, 370, 376, 470, 472, 590, 592, 640, 740, 752, 940, 944, 1180, 1184, 1480, 1504, 1739, 1880, 1888, 2183, 2360, 2368, 2773, 2960, 3008, 3478, 3760, 3776, 4366, 4720, 4736, 5546, 5920, 6016, 6956, 7520, 7552, 8695, 8732, 9440, 10915, 11092, 11840, 13865, 13912, 15040, 17390, 17464, 18880, 21830, 22184, 23680, 27730, 27824, 30080, 34780, 34928, 37760, 43660, 44368, 55460, 55648, 69560, 69856, 87320, 88736, 102601, 110920, 111296, 139120, 139712, 174640, 177472, 205202, 221840, 222592, 278240, 279424, 349280, 354944, 410404, 443680, 513005, 556480, 698560, 820808, 887360, 1026010, 1112960, 1397120, 1641616, 1774720, 2052020, 3283232, 4104040, 6566464, 8208080, 13132928, 16416160, 32832320, 65664640]

約数ペア:

[(1, 65664640), (2, 32832320), (4, 16416160), (5, 13132928), (8, 8208080), (10, 6566464), (16, 4104040), (20, 3283232), (32, 2052020), (37, 1774720), (40, 1641616), (47, 1397120), (59, 1112960), (64, 1026010), (74, 887360), (80, 820808), (94, 698560), (118, 556480), (128, 513005), (148, 443680), (160, 410404), (185, 354944), (188, 349280), (235, 279424), (236, 278240), (295, 222592), (296, 221840), (320, 205202), (370, 177472), (376, 174640), (470, 139712), (472, 139120), (590, 111296), (592, 110920), (640, 102601), (740, 88736), (752, 87320), (940, 69856), (944, 69560), (1180, 55648), (1184, 55460), (1480, 44368), (1504, 43660), (1739, 37760), (1880, 34928), (1888, 34780), (2183, 30080), (2360, 27824), (2368, 27730), (2773, 23680), (2960, 22184), (3008, 21830), (3478, 18880), (3760, 17464), (3776, 17390), (4366, 15040), (4720, 13912), (4736, 13865), (5546, 11840), (5920, 11092), (6016, 10915), (6956, 9440), (7520, 8732), (7552, 8695)]