64981620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 144

約数和(自身を含む): 221090688

約数和(自身を除く): 156109068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 330, 333, 370, 396, 407, 444, 495, 555, 660, 666, 740, 814, 887, 990, 1110, 1221, 1332, 1628, 1665, 1774, 1980, 2035, 2220, 2442, 2661, 3330, 3548, 3663, 4070, 4435, 4884, 5322, 6105, 6660, 7326, 7983, 8140, 8870, 9757, 10644, 12210, 13305, 14652, 15966, 17740, 18315, 19514, 24420, 26610, 29271, 31932, 32819, 36630, 39028, 39915, 48785, 53220, 58542, 65638, 73260, 79830, 87813, 97570, 98457, 117084, 131276, 146355, 159660, 164095, 175626, 195140, 196914, 292710, 295371, 328190, 351252, 361009, 393828, 439065, 492285, 585420, 590742, 656380, 722018, 878130, 984570, 1083027, 1181484, 1444036, 1476855, 1756260, 1805045, 1969140, 2166054, 2953710, 3249081, 3610090, 4332108, 5415135, 5907420, 6498162, 7220180, 10830270, 12996324, 16245405, 21660540, 32490810, 64981620]

約数ペア:

[(1, 64981620), (2, 32490810), (3, 21660540), (4, 16245405), (5, 12996324), (6, 10830270), (9, 7220180), (10, 6498162), (11, 5907420), (12, 5415135), (15, 4332108), (18, 3610090), (20, 3249081), (22, 2953710), (30, 2166054), (33, 1969140), (36, 1805045), (37, 1756260), (44, 1476855), (45, 1444036), (55, 1181484), (60, 1083027), (66, 984570), (74, 878130), (90, 722018), (99, 656380), (110, 590742), (111, 585420), (132, 492285), (148, 439065), (165, 393828), (180, 361009), (185, 351252), (198, 328190), (220, 295371), (222, 292710), (330, 196914), (333, 195140), (370, 175626), (396, 164095), (407, 159660), (444, 146355), (495, 131276), (555, 117084), (660, 98457), (666, 97570), (740, 87813), (814, 79830), (887, 73260), (990, 65638), (1110, 58542), (1221, 53220), (1332, 48785), (1628, 39915), (1665, 39028), (1774, 36630), (1980, 32819), (2035, 31932), (2220, 29271), (2442, 26610), (2661, 24420), (3330, 19514), (3548, 18315), (3663, 17740), (4070, 15966), (4435, 14652), (4884, 13305), (5322, 12210), (6105, 10644), (6660, 9757), (7326, 8870), (7983, 8140)]