778914420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{5113}}^1$

素因数の和:7664

約数の個数: 48

約数和(自身を含む): 2182246080

約数和(自身を除く): 1403331660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2539, 5078, 5113, 7617, 10156, 10226, 12695, 15234, 15339, 20452, 25390, 25565, 30468, 30678, 38085, 50780, 51130, 61356, 76170, 76695, 102260, 152340, 153390, 306780, 12981907, 25963814, 38945721, 51927628, 64909535, 77891442, 129819070, 155782884, 194728605, 259638140, 389457210, 778914420]

約数ペア:

[(1, 778914420), (2, 389457210), (3, 259638140), (4, 194728605), (5, 155782884), (6, 129819070), (10, 77891442), (12, 64909535), (15, 51927628), (20, 38945721), (30, 25963814), (60, 12981907), (2539, 306780), (5078, 153390), (5113, 152340), (7617, 102260), (10156, 76695), (10226, 76170), (12695, 61356), (15234, 51130), (15339, 50780), (20452, 38085), (25390, 30678), (25565, 30468)]