15751780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 38074176

約数和(自身を除く): 22322396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 283, 460, 484, 506, 566, 605, 1012, 1132, 1210, 1265, 1415, 2420, 2530, 2783, 2830, 3113, 5060, 5566, 5660, 6226, 6509, 11132, 12452, 13018, 13915, 15565, 26036, 27830, 31130, 32545, 34243, 55660, 62260, 65090, 68486, 71599, 130180, 136972, 143198, 171215, 286396, 342430, 357995, 684860, 715990, 787589, 1431980, 1575178, 3150356, 3937945, 7875890, 15751780]

約数ペア:

[(1, 15751780), (2, 7875890), (4, 3937945), (5, 3150356), (10, 1575178), (11, 1431980), (20, 787589), (22, 715990), (23, 684860), (44, 357995), (46, 342430), (55, 286396), (92, 171215), (110, 143198), (115, 136972), (121, 130180), (220, 71599), (230, 68486), (242, 65090), (253, 62260), (283, 55660), (460, 34243), (484, 32545), (506, 31130), (566, 27830), (605, 26036), (1012, 15565), (1132, 13915), (1210, 13018), (1265, 12452), (1415, 11132), (2420, 6509), (2530, 6226), (2783, 5660), (2830, 5566), (3113, 5060)]