261740640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{77899}}^1$

素因数の和:77924

約数の個数: 96

約数和(自身を含む): 942278400

約数和(自身を除く): 680537760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 77899, 155798, 233697, 311596, 389495, 467394, 545293, 623192, 778990, 934788, 1090586, 1168485, 1246384, 1557980, 1635879, 1869576, 2181172, 2336970, 2492768, 2726465, 3115960, 3271758, 3739152, 4362344, 4673940, 5452930, 6231920, 6543516, 7478304, 8179395, 8724688, 9347880, 10905860, 12463840, 13087032, 16358790, 17449376, 18695760, 21811720, 26174064, 32717580, 37391520, 43623440, 52348128, 65435160, 87246880, 130870320, 261740640]

約数ペア:

[(1, 261740640), (2, 130870320), (3, 87246880), (4, 65435160), (5, 52348128), (6, 43623440), (7, 37391520), (8, 32717580), (10, 26174064), (12, 21811720), (14, 18695760), (15, 17449376), (16, 16358790), (20, 13087032), (21, 12463840), (24, 10905860), (28, 9347880), (30, 8724688), (32, 8179395), (35, 7478304), (40, 6543516), (42, 6231920), (48, 5452930), (56, 4673940), (60, 4362344), (70, 3739152), (80, 3271758), (84, 3115960), (96, 2726465), (105, 2492768), (112, 2336970), (120, 2181172), (140, 1869576), (160, 1635879), (168, 1557980), (210, 1246384), (224, 1168485), (240, 1090586), (280, 934788), (336, 778990), (420, 623192), (480, 545293), (560, 467394), (672, 389495), (840, 311596), (1120, 233697), (1680, 155798), (3360, 77899)]