28328520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1951}}^1$

素因数の和:1987

約数の個数: 96

約数和(自身を含む): 93461760

約数和(自身を除く): 65133240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1815, 1951, 2420, 2904, 3630, 3902, 4840, 5853, 7260, 7804, 9755, 11706, 14520, 15608, 19510, 21461, 23412, 29265, 39020, 42922, 46824, 58530, 64383, 78040, 85844, 107305, 117060, 128766, 171688, 214610, 234120, 236071, 257532, 321915, 429220, 472142, 515064, 643830, 708213, 858440, 944284, 1180355, 1287660, 1416426, 1888568, 2360710, 2575320, 2832852, 3541065, 4721420, 5665704, 7082130, 9442840, 14164260, 28328520]

約数ペア:

[(1, 28328520), (2, 14164260), (3, 9442840), (4, 7082130), (5, 5665704), (6, 4721420), (8, 3541065), (10, 2832852), (11, 2575320), (12, 2360710), (15, 1888568), (20, 1416426), (22, 1287660), (24, 1180355), (30, 944284), (33, 858440), (40, 708213), (44, 643830), (55, 515064), (60, 472142), (66, 429220), (88, 321915), (110, 257532), (120, 236071), (121, 234120), (132, 214610), (165, 171688), (220, 128766), (242, 117060), (264, 107305), (330, 85844), (363, 78040), (440, 64383), (484, 58530), (605, 46824), (660, 42922), (726, 39020), (968, 29265), (1210, 23412), (1320, 21461), (1452, 19510), (1815, 15608), (1951, 14520), (2420, 11706), (2904, 9755), (3630, 7804), (3902, 7260), (4840, 5853)]