215807280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^2$

素因数の和:555

約数の個数: 120

約数和(自身を含む): 723214128

約数和(自身を除く): 507406848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 263, 312, 390, 520, 526, 624, 780, 789, 1040, 1052, 1315, 1560, 1578, 2104, 2630, 3120, 3156, 3419, 3945, 4208, 5260, 6312, 6838, 7890, 10257, 10520, 12624, 13676, 15780, 17095, 20514, 21040, 27352, 31560, 34190, 41028, 51285, 54704, 63120, 68380, 69169, 82056, 102570, 136760, 138338, 164112, 205140, 207507, 273520, 276676, 345845, 410280, 415014, 553352, 691690, 820560, 830028, 899197, 1037535, 1106704, 1383380, 1660056, 1798394, 2075070, 2697591, 2766760, 3320112, 3596788, 4150140, 4495985, 5395182, 5533520, 7193576, 8300280, 8991970, 10790364, 13487955, 14387152, 16600560, 17983940, 21580728, 26975910, 35967880, 43161456, 53951820, 71935760, 107903640, 215807280]

約数ペア:

[(1, 215807280), (2, 107903640), (3, 71935760), (4, 53951820), (5, 43161456), (6, 35967880), (8, 26975910), (10, 21580728), (12, 17983940), (13, 16600560), (15, 14387152), (16, 13487955), (20, 10790364), (24, 8991970), (26, 8300280), (30, 7193576), (39, 5533520), (40, 5395182), (48, 4495985), (52, 4150140), (60, 3596788), (65, 3320112), (78, 2766760), (80, 2697591), (104, 2075070), (120, 1798394), (130, 1660056), (156, 1383380), (195, 1106704), (208, 1037535), (240, 899197), (260, 830028), (263, 820560), (312, 691690), (390, 553352), (520, 415014), (526, 410280), (624, 345845), (780, 276676), (789, 273520), (1040, 207507), (1052, 205140), (1315, 164112), (1560, 138338), (1578, 136760), (2104, 102570), (2630, 82056), (3120, 69169), (3156, 68380), (3419, 63120), (3945, 54704), (4208, 51285), (5260, 41028), (6312, 34190), (6838, 31560), (7890, 27352), (10257, 21040), (10520, 20514), (12624, 17095), (13676, 15780)]