121607420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1683

約数の個数: 72

約数和(自身を含む): 289935744

約数和(自身を除く): 168328324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1621, 1705, 2420, 3242, 3410, 3751, 6484, 6820, 7502, 8105, 15004, 16210, 17831, 18755, 32420, 35662, 37510, 50251, 71324, 75020, 89155, 100502, 178310, 196141, 201004, 251255, 356620, 392282, 502510, 552761, 784564, 980705, 1005020, 1105522, 1961410, 2211044, 2763805, 3922820, 5527610, 6080371, 11055220, 12160742, 24321484, 30401855, 60803710, 121607420]

約数ペア:

[(1, 121607420), (2, 60803710), (4, 30401855), (5, 24321484), (10, 12160742), (11, 11055220), (20, 6080371), (22, 5527610), (31, 3922820), (44, 2763805), (55, 2211044), (62, 1961410), (110, 1105522), (121, 1005020), (124, 980705), (155, 784564), (220, 552761), (242, 502510), (310, 392282), (341, 356620), (484, 251255), (605, 201004), (620, 196141), (682, 178310), (1210, 100502), (1364, 89155), (1621, 75020), (1705, 71324), (2420, 50251), (3242, 37510), (3410, 35662), (3751, 32420), (6484, 18755), (6820, 17831), (7502, 16210), (8105, 15004)]