2019420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 6604416

約数和(自身を除く): 4584996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 863, 1170, 1726, 2340, 2589, 3452, 4315, 5178, 7767, 8630, 10356, 11219, 12945, 15534, 17260, 22438, 25890, 31068, 33657, 38835, 44876, 51780, 56095, 67314, 77670, 100971, 112190, 134628, 155340, 168285, 201942, 224380, 336570, 403884, 504855, 673140, 1009710, 2019420]

約数ペア:

[(1, 2019420), (2, 1009710), (3, 673140), (4, 504855), (5, 403884), (6, 336570), (9, 224380), (10, 201942), (12, 168285), (13, 155340), (15, 134628), (18, 112190), (20, 100971), (26, 77670), (30, 67314), (36, 56095), (39, 51780), (45, 44876), (52, 38835), (60, 33657), (65, 31068), (78, 25890), (90, 22438), (117, 17260), (130, 15534), (156, 12945), (180, 11219), (195, 10356), (234, 8630), (260, 7767), (390, 5178), (468, 4315), (585, 3452), (780, 2589), (863, 2340), (1170, 1726)]