1219140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 3990168

約数和(自身を除く): 2771028

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, 521, 585, 780, 1042, 1170, 1563, 2084, 2340, 2605, 3126, 4689, 5210, 6252, 6773, 7815, 9378, 10420, 13546, 15630, 18756, 20319, 23445, 27092, 31260, 33865, 40638, 46890, 60957, 67730, 81276, 93780, 101595, 121914, 135460, 203190, 243828, 304785, 406380, 609570, 1219140]

約数ペア:

[(1, 1219140), (2, 609570), (3, 406380), (4, 304785), (5, 243828), (6, 203190), (9, 135460), (10, 121914), (12, 101595), (13, 93780), (15, 81276), (18, 67730), (20, 60957), (26, 46890), (30, 40638), (36, 33865), (39, 31260), (45, 27092), (52, 23445), (60, 20319), (65, 18756), (78, 15630), (90, 13546), (117, 10420), (130, 9378), (156, 7815), (180, 6773), (195, 6252), (234, 5210), (260, 4689), (390, 3126), (468, 2605), (521, 2340), (585, 2084), (780, 1563), (1042, 1170)]