64749080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 169205760

約数和(自身を除く): 104456680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 47, 55, 62, 88, 94, 101, 110, 124, 155, 188, 202, 220, 235, 248, 310, 341, 376, 404, 440, 470, 505, 517, 620, 682, 808, 940, 1010, 1034, 1111, 1240, 1364, 1457, 1705, 1880, 2020, 2068, 2222, 2585, 2728, 2914, 3131, 3410, 4040, 4136, 4444, 4747, 5170, 5555, 5828, 6262, 6820, 7285, 8888, 9494, 10340, 11110, 11656, 12524, 13640, 14570, 15655, 16027, 18988, 20680, 22220, 23735, 25048, 29140, 31310, 32054, 34441, 37976, 44440, 47470, 52217, 58280, 62620, 64108, 68882, 80135, 94940, 104434, 125240, 128216, 137764, 147157, 160270, 172205, 189880, 208868, 261085, 275528, 294314, 320540, 344410, 417736, 522170, 588628, 641080, 688820, 735785, 1044340, 1177256, 1377640, 1471570, 1618727, 2088680, 2943140, 3237454, 5886280, 6474908, 8093635, 12949816, 16187270, 32374540, 64749080]

約数ペア:

[(1, 64749080), (2, 32374540), (4, 16187270), (5, 12949816), (8, 8093635), (10, 6474908), (11, 5886280), (20, 3237454), (22, 2943140), (31, 2088680), (40, 1618727), (44, 1471570), (47, 1377640), (55, 1177256), (62, 1044340), (88, 735785), (94, 688820), (101, 641080), (110, 588628), (124, 522170), (155, 417736), (188, 344410), (202, 320540), (220, 294314), (235, 275528), (248, 261085), (310, 208868), (341, 189880), (376, 172205), (404, 160270), (440, 147157), (470, 137764), (505, 128216), (517, 125240), (620, 104434), (682, 94940), (808, 80135), (940, 68882), (1010, 64108), (1034, 62620), (1111, 58280), (1240, 52217), (1364, 47470), (1457, 44440), (1705, 37976), (1880, 34441), (2020, 32054), (2068, 31310), (2222, 29140), (2585, 25048), (2728, 23735), (2914, 22220), (3131, 20680), (3410, 18988), (4040, 16027), (4136, 15655), (4444, 14570), (4747, 13640), (5170, 12524), (5555, 11656), (5828, 11110), (6262, 10340), (6820, 9494), (7285, 8888)]