855995280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{509521}}^1$

素因数の和:509544

約数の個数: 80

約数和(自身を含む): 3032674944

約数和(自身を除く): 2176679664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 509521, 1019042, 1528563, 2038084, 2547605, 3057126, 3566647, 4076168, 5095210, 6114252, 7133294, 7642815, 8152336, 10190420, 10699941, 12228504, 14266588, 15285630, 17833235, 20380840, 21399882, 24457008, 28533176, 30571260, 35666470, 40761680, 42799764, 53499705, 57066352, 61142520, 71332940, 85599528, 106999410, 122285040, 142665880, 171199056, 213998820, 285331760, 427997640, 855995280]

約数ペア:

[(1, 855995280), (2, 427997640), (3, 285331760), (4, 213998820), (5, 171199056), (6, 142665880), (7, 122285040), (8, 106999410), (10, 85599528), (12, 71332940), (14, 61142520), (15, 57066352), (16, 53499705), (20, 42799764), (21, 40761680), (24, 35666470), (28, 30571260), (30, 28533176), (35, 24457008), (40, 21399882), (42, 20380840), (48, 17833235), (56, 15285630), (60, 14266588), (70, 12228504), (80, 10699941), (84, 10190420), (105, 8152336), (112, 7642815), (120, 7133294), (140, 6114252), (168, 5095210), (210, 4076168), (240, 3566647), (280, 3057126), (336, 2547605), (420, 2038084), (560, 1528563), (840, 1019042), (1680, 509521)]