144531920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4540

約数の個数: 80

約数和(自身を含む): 373642752

約数和(自身を除く): 229110832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4483, 6448, 8060, 8966, 16120, 17932, 22415, 32240, 35864, 44830, 58279, 71728, 89660, 116558, 138973, 179320, 233116, 277946, 291395, 358640, 466232, 555892, 582790, 694865, 932464, 1111784, 1165580, 1389730, 1806649, 2223568, 2331160, 2779460, 3613298, 4662320, 5558920, 7226596, 9033245, 11117840, 14453192, 18066490, 28906384, 36132980, 72265960, 144531920]

約数ペア:

[(1, 144531920), (2, 72265960), (4, 36132980), (5, 28906384), (8, 18066490), (10, 14453192), (13, 11117840), (16, 9033245), (20, 7226596), (26, 5558920), (31, 4662320), (40, 3613298), (52, 2779460), (62, 2331160), (65, 2223568), (80, 1806649), (104, 1389730), (124, 1165580), (130, 1111784), (155, 932464), (208, 694865), (248, 582790), (260, 555892), (310, 466232), (403, 358640), (496, 291395), (520, 277946), (620, 233116), (806, 179320), (1040, 138973), (1240, 116558), (1612, 89660), (2015, 71728), (2480, 58279), (3224, 44830), (4030, 35864), (4483, 32240), (6448, 22415), (8060, 17932), (8966, 16120)]