2517660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 7783776

約数和(自身を除く): 5266116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 197, 213, 284, 355, 394, 426, 591, 639, 710, 788, 852, 985, 1065, 1182, 1278, 1420, 1773, 1970, 2130, 2364, 2556, 2955, 3195, 3546, 3940, 4260, 5910, 6390, 7092, 8865, 11820, 12780, 13987, 17730, 27974, 35460, 41961, 55948, 69935, 83922, 125883, 139870, 167844, 209805, 251766, 279740, 419610, 503532, 629415, 839220, 1258830, 2517660]

約数ペア:

[(1, 2517660), (2, 1258830), (3, 839220), (4, 629415), (5, 503532), (6, 419610), (9, 279740), (10, 251766), (12, 209805), (15, 167844), (18, 139870), (20, 125883), (30, 83922), (36, 69935), (45, 55948), (60, 41961), (71, 35460), (90, 27974), (142, 17730), (180, 13987), (197, 12780), (213, 11820), (284, 8865), (355, 7092), (394, 6390), (426, 5910), (591, 4260), (639, 3940), (710, 3546), (788, 3195), (852, 2955), (985, 2556), (1065, 2364), (1182, 2130), (1278, 1970), (1420, 1773)]