28516860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 92695680

約数和(自身を除く): 64178820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 607, 783, 810, 870, 1044, 1214, 1305, 1566, 1620, 1740, 1821, 2349, 2428, 2610, 3035, 3132, 3642, 3915, 4698, 5220, 5463, 6070, 7284, 7830, 9105, 9396, 10926, 11745, 12140, 15660, 16389, 17603, 18210, 21852, 23490, 27315, 32778, 35206, 36420, 46980, 49167, 52809, 54630, 65556, 70412, 81945, 88015, 98334, 105618, 109260, 158427, 163890, 176030, 196668, 211236, 245835, 264045, 316854, 327780, 352060, 475281, 491670, 528090, 633708, 792135, 950562, 983340, 1056180, 1425843, 1584270, 1901124, 2376405, 2851686, 3168540, 4752810, 5703372, 7129215, 9505620, 14258430, 28516860]

約数ペア:

[(1, 28516860), (2, 14258430), (3, 9505620), (4, 7129215), (5, 5703372), (6, 4752810), (9, 3168540), (10, 2851686), (12, 2376405), (15, 1901124), (18, 1584270), (20, 1425843), (27, 1056180), (29, 983340), (30, 950562), (36, 792135), (45, 633708), (54, 528090), (58, 491670), (60, 475281), (81, 352060), (87, 327780), (90, 316854), (108, 264045), (116, 245835), (135, 211236), (145, 196668), (162, 176030), (174, 163890), (180, 158427), (261, 109260), (270, 105618), (290, 98334), (324, 88015), (348, 81945), (405, 70412), (435, 65556), (522, 54630), (540, 52809), (580, 49167), (607, 46980), (783, 36420), (810, 35206), (870, 32778), (1044, 27315), (1214, 23490), (1305, 21852), (1566, 18210), (1620, 17603), (1740, 16389), (1821, 15660), (2349, 12140), (2428, 11745), (2610, 10926), (3035, 9396), (3132, 9105), (3642, 7830), (3915, 7284), (4698, 6070), (5220, 5463)]