726766480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{26641}}^1$

素因数の和:26696

約数の個数: 80

約数和(自身を含む): 1902878208

約数和(自身を除く): 1176111728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 26641, 27280, 53282, 106564, 133205, 213128, 266410, 293051, 426256, 532820, 586102, 825871, 1065640, 1172204, 1465255, 1651742, 2131280, 2344408, 2930510, 3303484, 4129355, 4688816, 5861020, 6606968, 8258710, 9084581, 11722040, 13213936, 16517420, 18169162, 23444080, 33034840, 36338324, 45422905, 66069680, 72676648, 90845810, 145353296, 181691620, 363383240, 726766480]

約数ペア:

[(1, 726766480), (2, 363383240), (4, 181691620), (5, 145353296), (8, 90845810), (10, 72676648), (11, 66069680), (16, 45422905), (20, 36338324), (22, 33034840), (31, 23444080), (40, 18169162), (44, 16517420), (55, 13213936), (62, 11722040), (80, 9084581), (88, 8258710), (110, 6606968), (124, 5861020), (155, 4688816), (176, 4129355), (220, 3303484), (248, 2930510), (310, 2344408), (341, 2131280), (440, 1651742), (496, 1465255), (620, 1172204), (682, 1065640), (880, 825871), (1240, 586102), (1364, 532820), (1705, 426256), (2480, 293051), (2728, 266410), (3410, 213128), (5456, 133205), (6820, 106564), (13640, 53282), (26641, 27280)]