177910380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13921}}^1$

素因数の和:14007

約数の個数: 72

約数和(自身を含む): 547301664

約数和(自身を除く): 369391284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 13921, 27842, 41763, 55684, 69605, 83526, 125289, 139210, 167052, 208815, 250578, 278420, 417630, 501156, 626445, 835260, 988391, 1252890, 1976782, 2505780, 2965173, 3953564, 4941955, 5930346, 8895519, 9883910, 11860692, 14825865, 17791038, 19767820, 29651730, 35582076, 44477595, 59303460, 88955190, 177910380]

約数ペア:

[(1, 177910380), (2, 88955190), (3, 59303460), (4, 44477595), (5, 35582076), (6, 29651730), (9, 19767820), (10, 17791038), (12, 14825865), (15, 11860692), (18, 9883910), (20, 8895519), (30, 5930346), (36, 4941955), (45, 3953564), (60, 2965173), (71, 2505780), (90, 1976782), (142, 1252890), (180, 988391), (213, 835260), (284, 626445), (355, 501156), (426, 417630), (639, 278420), (710, 250578), (852, 208815), (1065, 167052), (1278, 139210), (1420, 125289), (2130, 83526), (2556, 69605), (3195, 55684), (4260, 41763), (6390, 27842), (12780, 13921)]