637319520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2819}}^1$

素因数の和:2997

約数の個数: 144

約数和(自身を含む): 2189481840

約数和(自身を除く): 1552162320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 157, 160, 180, 240, 288, 314, 360, 471, 480, 628, 720, 785, 942, 1256, 1413, 1440, 1570, 1884, 2355, 2512, 2819, 2826, 3140, 3768, 4710, 5024, 5638, 5652, 6280, 7065, 7536, 8457, 9420, 11276, 11304, 12560, 14095, 14130, 15072, 16914, 18840, 22552, 22608, 25120, 25371, 28190, 28260, 33828, 37680, 42285, 45104, 45216, 50742, 56380, 56520, 67656, 75360, 84570, 90208, 101484, 112760, 113040, 126855, 135312, 169140, 202968, 225520, 226080, 253710, 270624, 338280, 405936, 442583, 451040, 507420, 676560, 811872, 885166, 1014840, 1327749, 1353120, 1770332, 2029680, 2212915, 2655498, 3540664, 3983247, 4059360, 4425830, 5310996, 6638745, 7081328, 7966494, 8851660, 10621992, 13277490, 14162656, 15932988, 17703320, 19916235, 21243984, 26554980, 31865976, 35406640, 39832470, 42487968, 53109960, 63731952, 70813280, 79664940, 106219920, 127463904, 159329880, 212439840, 318659760, 637319520]

約数ペア:

[(1, 637319520), (2, 318659760), (3, 212439840), (4, 159329880), (5, 127463904), (6, 106219920), (8, 79664940), (9, 70813280), (10, 63731952), (12, 53109960), (15, 42487968), (16, 39832470), (18, 35406640), (20, 31865976), (24, 26554980), (30, 21243984), (32, 19916235), (36, 17703320), (40, 15932988), (45, 14162656), (48, 13277490), (60, 10621992), (72, 8851660), (80, 7966494), (90, 7081328), (96, 6638745), (120, 5310996), (144, 4425830), (157, 4059360), (160, 3983247), (180, 3540664), (240, 2655498), (288, 2212915), (314, 2029680), (360, 1770332), (471, 1353120), (480, 1327749), (628, 1014840), (720, 885166), (785, 811872), (942, 676560), (1256, 507420), (1413, 451040), (1440, 442583), (1570, 405936), (1884, 338280), (2355, 270624), (2512, 253710), (2819, 226080), (2826, 225520), (3140, 202968), (3768, 169140), (4710, 135312), (5024, 126855), (5638, 113040), (5652, 112760), (6280, 101484), (7065, 90208), (7536, 84570), (8457, 75360), (9420, 67656), (11276, 56520), (11304, 56380), (12560, 50742), (14095, 45216), (14130, 45104), (15072, 42285), (16914, 37680), (18840, 33828), (22552, 28260), (22608, 28190), (25120, 25371)]