87722560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 222382080

約数和(自身を除く): 134659520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 148, 155, 160, 185, 239, 248, 296, 310, 320, 370, 478, 496, 592, 620, 740, 956, 992, 1147, 1184, 1195, 1240, 1480, 1912, 1984, 2294, 2368, 2390, 2480, 2960, 3824, 4588, 4780, 4960, 5735, 5920, 7409, 7648, 8843, 9176, 9560, 9920, 11470, 11840, 14818, 15296, 17686, 18352, 19120, 22940, 29636, 35372, 36704, 37045, 38240, 44215, 45880, 59272, 70744, 73408, 74090, 76480, 88430, 91760, 118544, 141488, 148180, 176860, 183520, 237088, 274133, 282976, 296360, 353720, 367040, 474176, 548266, 565952, 592720, 707440, 1096532, 1185440, 1370665, 1414880, 2193064, 2370880, 2741330, 2829760, 4386128, 5482660, 8772256, 10965320, 17544512, 21930640, 43861280, 87722560]

約数ペア:

[(1, 87722560), (2, 43861280), (4, 21930640), (5, 17544512), (8, 10965320), (10, 8772256), (16, 5482660), (20, 4386128), (31, 2829760), (32, 2741330), (37, 2370880), (40, 2193064), (62, 1414880), (64, 1370665), (74, 1185440), (80, 1096532), (124, 707440), (148, 592720), (155, 565952), (160, 548266), (185, 474176), (239, 367040), (248, 353720), (296, 296360), (310, 282976), (320, 274133), (370, 237088), (478, 183520), (496, 176860), (592, 148180), (620, 141488), (740, 118544), (956, 91760), (992, 88430), (1147, 76480), (1184, 74090), (1195, 73408), (1240, 70744), (1480, 59272), (1912, 45880), (1984, 44215), (2294, 38240), (2368, 37045), (2390, 36704), (2480, 35372), (2960, 29636), (3824, 22940), (4588, 19120), (4780, 18352), (4960, 17686), (5735, 15296), (5920, 14818), (7409, 11840), (7648, 11470), (8843, 9920), (9176, 9560)]