489429540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{761}}^1$

素因数の和:1179

約数の個数: 120

約数和(自身を含む): 1541248632

約数和(自身を除く): 1051819092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 397, 405, 540, 761, 794, 810, 1191, 1522, 1588, 1620, 1985, 2283, 2382, 3044, 3573, 3805, 3970, 4566, 4764, 5955, 6849, 7146, 7610, 7940, 9132, 10719, 11415, 11910, 13698, 14292, 15220, 17865, 20547, 21438, 22830, 23820, 27396, 32157, 34245, 35730, 41094, 42876, 45660, 53595, 61641, 64314, 68490, 71460, 82188, 102735, 107190, 123282, 128628, 136980, 160785, 205470, 214380, 246564, 302117, 308205, 321570, 410940, 604234, 616410, 643140, 906351, 1208468, 1232820, 1510585, 1812702, 2719053, 3021170, 3625404, 4531755, 5438106, 6042340, 8157159, 9063510, 10876212, 13595265, 16314318, 18127020, 24471477, 27190530, 32628636, 40785795, 48942954, 54381060, 81571590, 97885908, 122357385, 163143180, 244714770, 489429540]

約数ペア:

[(1, 489429540), (2, 244714770), (3, 163143180), (4, 122357385), (5, 97885908), (6, 81571590), (9, 54381060), (10, 48942954), (12, 40785795), (15, 32628636), (18, 27190530), (20, 24471477), (27, 18127020), (30, 16314318), (36, 13595265), (45, 10876212), (54, 9063510), (60, 8157159), (81, 6042340), (90, 5438106), (108, 4531755), (135, 3625404), (162, 3021170), (180, 2719053), (270, 1812702), (324, 1510585), (397, 1232820), (405, 1208468), (540, 906351), (761, 643140), (794, 616410), (810, 604234), (1191, 410940), (1522, 321570), (1588, 308205), (1620, 302117), (1985, 246564), (2283, 214380), (2382, 205470), (3044, 160785), (3573, 136980), (3805, 128628), (3970, 123282), (4566, 107190), (4764, 102735), (5955, 82188), (6849, 71460), (7146, 68490), (7610, 64314), (7940, 61641), (9132, 53595), (10719, 45660), (11415, 42876), (11910, 41094), (13698, 35730), (14292, 34245), (15220, 32157), (17865, 27396), (20547, 23820), (21438, 22830)]