72265960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4538

約数の個数: 64

約数和(自身を含む): 180794880

約数和(自身を除く): 108528920

約数列:

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

約数ペア:

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