81434520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7297}}^1$

素因数の和:7345

約数の個数: 96

約数和(自身を含む): 273237120

約数和(自身を除く): 191802600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 7297, 11160, 14594, 21891, 29188, 36485, 43782, 58376, 65673, 72970, 87564, 109455, 131346, 145940, 175128, 218910, 226207, 262692, 291880, 328365, 437820, 452414, 525384, 656730, 678621, 875640, 904828, 1131035, 1313460, 1357242, 1809656, 2035863, 2262070, 2626920, 2714484, 3393105, 4071726, 4524140, 5428968, 6786210, 8143452, 9048280, 10179315, 13572420, 16286904, 20358630, 27144840, 40717260, 81434520]

約数ペア:

[(1, 81434520), (2, 40717260), (3, 27144840), (4, 20358630), (5, 16286904), (6, 13572420), (8, 10179315), (9, 9048280), (10, 8143452), (12, 6786210), (15, 5428968), (18, 4524140), (20, 4071726), (24, 3393105), (30, 2714484), (31, 2626920), (36, 2262070), (40, 2035863), (45, 1809656), (60, 1357242), (62, 1313460), (72, 1131035), (90, 904828), (93, 875640), (120, 678621), (124, 656730), (155, 525384), (180, 452414), (186, 437820), (248, 328365), (279, 291880), (310, 262692), (360, 226207), (372, 218910), (465, 175128), (558, 145940), (620, 131346), (744, 109455), (930, 87564), (1116, 72970), (1240, 65673), (1395, 58376), (1860, 43782), (2232, 36485), (2790, 29188), (3720, 21891), (5580, 14594), (7297, 11160)]