78743910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{659}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 216691200

約数和(自身を除く): 137947290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 569, 659, 1138, 1318, 1707, 1977, 2845, 3295, 3414, 3954, 3983, 4613, 5690, 6590, 7966, 8535, 9226, 9885, 11949, 13839, 17070, 19770, 19915, 23065, 23898, 27678, 39830, 46130, 59745, 69195, 119490, 138390, 374971, 749942, 1124913, 1874855, 2249826, 2624797, 3749710, 5249594, 5624565, 7874391, 11249130, 13123985, 15748782, 26247970, 39371955, 78743910]

約数ペア:

[(1, 78743910), (2, 39371955), (3, 26247970), (5, 15748782), (6, 13123985), (7, 11249130), (10, 7874391), (14, 5624565), (15, 5249594), (21, 3749710), (30, 2624797), (35, 2249826), (42, 1874855), (70, 1124913), (105, 749942), (210, 374971), (569, 138390), (659, 119490), (1138, 69195), (1318, 59745), (1707, 46130), (1977, 39830), (2845, 27678), (3295, 23898), (3414, 23065), (3954, 19915), (3983, 19770), (4613, 17070), (5690, 13839), (6590, 11949), (7966, 9885), (8535, 9226)]