1028639640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3863}}^1$

素因数の和:4201

約数の個数: 128

約数和(自身を含む): 3538805760

約数和(自身を除く): 2510166120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 317, 420, 634, 840, 951, 1268, 1585, 1902, 2219, 2536, 3170, 3804, 3863, 4438, 4755, 6340, 6657, 7608, 7726, 8876, 9510, 11095, 11589, 12680, 13314, 15452, 17752, 19020, 19315, 22190, 23178, 26628, 27041, 30904, 33285, 38040, 38630, 44380, 46356, 53256, 54082, 57945, 66570, 77260, 81123, 88760, 92712, 108164, 115890, 133140, 135205, 154520, 162246, 216328, 231780, 266280, 270410, 324492, 405615, 463560, 540820, 648984, 811230, 1081640, 1224571, 1622460, 2449142, 3244920, 3673713, 4898284, 6122855, 7347426, 8571997, 9796568, 12245710, 14694852, 17143994, 18368565, 24491420, 25715991, 29389704, 34287988, 36737130, 42859985, 48982840, 51431982, 68575976, 73474260, 85719970, 102863964, 128579955, 146948520, 171439940, 205727928, 257159910, 342879880, 514319820, 1028639640]

約数ペア:

[(1, 1028639640), (2, 514319820), (3, 342879880), (4, 257159910), (5, 205727928), (6, 171439940), (7, 146948520), (8, 128579955), (10, 102863964), (12, 85719970), (14, 73474260), (15, 68575976), (20, 51431982), (21, 48982840), (24, 42859985), (28, 36737130), (30, 34287988), (35, 29389704), (40, 25715991), (42, 24491420), (56, 18368565), (60, 17143994), (70, 14694852), (84, 12245710), (105, 9796568), (120, 8571997), (140, 7347426), (168, 6122855), (210, 4898284), (280, 3673713), (317, 3244920), (420, 2449142), (634, 1622460), (840, 1224571), (951, 1081640), (1268, 811230), (1585, 648984), (1902, 540820), (2219, 463560), (2536, 405615), (3170, 324492), (3804, 270410), (3863, 266280), (4438, 231780), (4755, 216328), (6340, 162246), (6657, 154520), (7608, 135205), (7726, 133140), (8876, 115890), (9510, 108164), (11095, 92712), (11589, 88760), (12680, 81123), (13314, 77260), (15452, 66570), (17752, 57945), (19020, 54082), (19315, 53256), (22190, 46356), (23178, 44380), (26628, 38630), (27041, 38040), (30904, 33285)]