65990240

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 163404864

約数和(自身を除く): 97414624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 71, 74, 80, 142, 148, 157, 160, 185, 284, 296, 314, 355, 370, 568, 592, 628, 710, 740, 785, 1136, 1184, 1256, 1420, 1480, 1570, 2272, 2512, 2627, 2840, 2960, 3140, 5024, 5254, 5680, 5809, 5920, 6280, 10508, 11147, 11360, 11618, 12560, 13135, 21016, 22294, 23236, 25120, 26270, 29045, 42032, 44588, 46472, 52540, 55735, 58090, 84064, 89176, 92944, 105080, 111470, 116180, 178352, 185888, 210160, 222940, 232360, 356704, 412439, 420320, 445880, 464720, 824878, 891760, 929440, 1649756, 1783520, 2062195, 3299512, 4124390, 6599024, 8248780, 13198048, 16497560, 32995120, 65990240]

約数ペア:

[(1, 65990240), (2, 32995120), (4, 16497560), (5, 13198048), (8, 8248780), (10, 6599024), (16, 4124390), (20, 3299512), (32, 2062195), (37, 1783520), (40, 1649756), (71, 929440), (74, 891760), (80, 824878), (142, 464720), (148, 445880), (157, 420320), (160, 412439), (185, 356704), (284, 232360), (296, 222940), (314, 210160), (355, 185888), (370, 178352), (568, 116180), (592, 111470), (628, 105080), (710, 92944), (740, 89176), (785, 84064), (1136, 58090), (1184, 55735), (1256, 52540), (1420, 46472), (1480, 44588), (1570, 42032), (2272, 29045), (2512, 26270), (2627, 25120), (2840, 23236), (2960, 22294), (3140, 21016), (5024, 13135), (5254, 12560), (5680, 11618), (5809, 11360), (5920, 11147), (6280, 10508)]