1239660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 3852576

約数和(自身を除く): 2612916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 97, 142, 180, 194, 213, 284, 291, 355, 388, 426, 485, 582, 639, 710, 852, 873, 970, 1065, 1164, 1278, 1420, 1455, 1746, 1940, 2130, 2556, 2910, 3195, 3492, 4260, 4365, 5820, 6390, 6887, 8730, 12780, 13774, 17460, 20661, 27548, 34435, 41322, 61983, 68870, 82644, 103305, 123966, 137740, 206610, 247932, 309915, 413220, 619830, 1239660]

約数ペア:

[(1, 1239660), (2, 619830), (3, 413220), (4, 309915), (5, 247932), (6, 206610), (9, 137740), (10, 123966), (12, 103305), (15, 82644), (18, 68870), (20, 61983), (30, 41322), (36, 34435), (45, 27548), (60, 20661), (71, 17460), (90, 13774), (97, 12780), (142, 8730), (180, 6887), (194, 6390), (213, 5820), (284, 4365), (291, 4260), (355, 3492), (388, 3195), (426, 2910), (485, 2556), (582, 2130), (639, 1940), (710, 1746), (852, 1455), (873, 1420), (970, 1278), (1065, 1164)]