663608320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 176

約数和(自身を含む): 1702579968

約数和(自身を除く): 1038971648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 113, 124, 128, 148, 155, 160, 185, 226, 248, 256, 296, 310, 320, 370, 452, 496, 512, 565, 592, 620, 640, 740, 904, 992, 1024, 1130, 1147, 1184, 1240, 1280, 1480, 1808, 1984, 2260, 2294, 2368, 2480, 2560, 2960, 3503, 3616, 3968, 4181, 4520, 4588, 4736, 4960, 5120, 5735, 5920, 7006, 7232, 7936, 8362, 9040, 9176, 9472, 9920, 11470, 11840, 14012, 14464, 15872, 16724, 17515, 18080, 18352, 18944, 19840, 20905, 22940, 23680, 28024, 28928, 31744, 33448, 35030, 36160, 36704, 37888, 39680, 41810, 45880, 47360, 56048, 57856, 66896, 70060, 72320, 73408, 79360, 83620, 91760, 94720, 112096, 115712, 129611, 133792, 140120, 144640, 146816, 158720, 167240, 183520, 189440, 224192, 259222, 267584, 280240, 289280, 293632, 334480, 367040, 448384, 518444, 535168, 560480, 578560, 587264, 648055, 668960, 734080, 896768, 1036888, 1070336, 1120960, 1174528, 1296110, 1337920, 1468160, 1793536, 2073776, 2140672, 2241920, 2592220, 2675840, 2936320, 3587072, 4147552, 4281344, 4483840, 5184440, 5351680, 5872640, 8295104, 8967680, 10368880, 10703360, 16590208, 17935360, 20737760, 21406720, 33180416, 41475520, 66360832, 82951040, 132721664, 165902080, 331804160, 663608320]

約数ペア:

[(1, 663608320), (2, 331804160), (4, 165902080), (5, 132721664), (8, 82951040), (10, 66360832), (16, 41475520), (20, 33180416), (31, 21406720), (32, 20737760), (37, 17935360), (40, 16590208), (62, 10703360), (64, 10368880), (74, 8967680), (80, 8295104), (113, 5872640), (124, 5351680), (128, 5184440), (148, 4483840), (155, 4281344), (160, 4147552), (185, 3587072), (226, 2936320), (248, 2675840), (256, 2592220), (296, 2241920), (310, 2140672), (320, 2073776), (370, 1793536), (452, 1468160), (496, 1337920), (512, 1296110), (565, 1174528), (592, 1120960), (620, 1070336), (640, 1036888), (740, 896768), (904, 734080), (992, 668960), (1024, 648055), (1130, 587264), (1147, 578560), (1184, 560480), (1240, 535168), (1280, 518444), (1480, 448384), (1808, 367040), (1984, 334480), (2260, 293632), (2294, 289280), (2368, 280240), (2480, 267584), (2560, 259222), (2960, 224192), (3503, 189440), (3616, 183520), (3968, 167240), (4181, 158720), (4520, 146816), (4588, 144640), (4736, 140120), (4960, 133792), (5120, 129611), (5735, 115712), (5920, 112096), (7006, 94720), (7232, 91760), (7936, 83620), (8362, 79360), (9040, 73408), (9176, 72320), (9472, 70060), (9920, 66896), (11470, 57856), (11840, 56048), (14012, 47360), (14464, 45880), (15872, 41810), (16724, 39680), (17515, 37888), (18080, 36704), (18352, 36160), (18944, 35030), (19840, 33448), (20905, 31744), (22940, 28928), (23680, 28024)]