28870160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 74727360

約数和(自身を除く): 45857200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 619, 848, 880, 1060, 1166, 1238, 2120, 2332, 2476, 2915, 3095, 4240, 4664, 4952, 5830, 6190, 6809, 9328, 9904, 11660, 12380, 13618, 23320, 24760, 27236, 32807, 34045, 46640, 49520, 54472, 65614, 68090, 108944, 131228, 136180, 164035, 262456, 272360, 328070, 360877, 524912, 544720, 656140, 721754, 1312280, 1443508, 1804385, 2624560, 2887016, 3608770, 5774032, 7217540, 14435080, 28870160]

約数ペア:

[(1, 28870160), (2, 14435080), (4, 7217540), (5, 5774032), (8, 3608770), (10, 2887016), (11, 2624560), (16, 1804385), (20, 1443508), (22, 1312280), (40, 721754), (44, 656140), (53, 544720), (55, 524912), (80, 360877), (88, 328070), (106, 272360), (110, 262456), (176, 164035), (212, 136180), (220, 131228), (265, 108944), (424, 68090), (440, 65614), (530, 54472), (583, 49520), (619, 46640), (848, 34045), (880, 32807), (1060, 27236), (1166, 24760), (1238, 23320), (2120, 13618), (2332, 12380), (2476, 11660), (2915, 9904), (3095, 9328), (4240, 6809), (4664, 6190), (4952, 5830)]