28632660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9739}}^1$

素因数の和:9765

約数の個数: 72

約数和(自身を含む): 93270240

約数和(自身を除く): 64637580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9739, 19478, 29217, 38956, 48695, 58434, 68173, 97390, 116868, 136346, 146085, 194780, 204519, 272692, 292170, 340865, 409038, 477211, 584340, 681730, 818076, 954422, 1022595, 1363460, 1431633, 1908844, 2045190, 2386055, 2863266, 4090380, 4772110, 5726532, 7158165, 9544220, 14316330, 28632660]

約数ペア:

[(1, 28632660), (2, 14316330), (3, 9544220), (4, 7158165), (5, 5726532), (6, 4772110), (7, 4090380), (10, 2863266), (12, 2386055), (14, 2045190), (15, 1908844), (20, 1431633), (21, 1363460), (28, 1022595), (30, 954422), (35, 818076), (42, 681730), (49, 584340), (60, 477211), (70, 409038), (84, 340865), (98, 292170), (105, 272692), (140, 204519), (147, 194780), (196, 146085), (210, 136346), (245, 116868), (294, 97390), (420, 68173), (490, 58434), (588, 48695), (735, 38956), (980, 29217), (1470, 19478), (2940, 9739)]