65331880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 165888000

約数和(自身を除く): 100556120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 47, 59, 62, 76, 94, 95, 118, 124, 152, 155, 188, 190, 235, 236, 248, 295, 310, 376, 380, 470, 472, 589, 590, 620, 760, 893, 940, 1121, 1178, 1180, 1240, 1457, 1786, 1829, 1880, 2242, 2356, 2360, 2773, 2914, 2945, 3572, 3658, 4465, 4484, 4712, 5546, 5605, 5828, 5890, 7144, 7285, 7316, 8930, 8968, 9145, 11092, 11210, 11656, 11780, 13865, 14570, 14632, 17860, 18290, 22184, 22420, 23560, 27683, 27730, 29140, 34751, 35720, 36580, 44840, 52687, 55366, 55460, 58280, 69502, 73160, 85963, 105374, 110732, 110920, 138415, 139004, 171926, 173755, 210748, 221464, 263435, 276830, 278008, 343852, 347510, 421496, 429815, 526870, 553660, 687704, 695020, 859630, 1053740, 1107320, 1390040, 1633297, 1719260, 2107480, 3266594, 3438520, 6533188, 8166485, 13066376, 16332970, 32665940, 65331880]

約数ペア:

[(1, 65331880), (2, 32665940), (4, 16332970), (5, 13066376), (8, 8166485), (10, 6533188), (19, 3438520), (20, 3266594), (31, 2107480), (38, 1719260), (40, 1633297), (47, 1390040), (59, 1107320), (62, 1053740), (76, 859630), (94, 695020), (95, 687704), (118, 553660), (124, 526870), (152, 429815), (155, 421496), (188, 347510), (190, 343852), (235, 278008), (236, 276830), (248, 263435), (295, 221464), (310, 210748), (376, 173755), (380, 171926), (470, 139004), (472, 138415), (589, 110920), (590, 110732), (620, 105374), (760, 85963), (893, 73160), (940, 69502), (1121, 58280), (1178, 55460), (1180, 55366), (1240, 52687), (1457, 44840), (1786, 36580), (1829, 35720), (1880, 34751), (2242, 29140), (2356, 27730), (2360, 27683), (2773, 23560), (2914, 22420), (2945, 22184), (3572, 18290), (3658, 17860), (4465, 14632), (4484, 14570), (4712, 13865), (5546, 11780), (5605, 11656), (5828, 11210), (5890, 11092), (7144, 9145), (7285, 8968), (7316, 8930)]