77963940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2393}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 237896568

約数和(自身を除く): 159932628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2393, 2715, 3258, 3620, 4786, 5430, 6516, 7179, 8145, 9572, 10860, 11965, 14358, 16290, 21537, 23930, 28716, 32580, 35895, 43074, 47860, 71790, 86148, 107685, 143580, 215370, 430740, 433133, 866266, 1299399, 1732532, 2165665, 2598798, 3898197, 4331330, 5197596, 6496995, 7796394, 8662660, 12993990, 15592788, 19490985, 25987980, 38981970, 77963940]

約数ペア:

[(1, 77963940), (2, 38981970), (3, 25987980), (4, 19490985), (5, 15592788), (6, 12993990), (9, 8662660), (10, 7796394), (12, 6496995), (15, 5197596), (18, 4331330), (20, 3898197), (30, 2598798), (36, 2165665), (45, 1732532), (60, 1299399), (90, 866266), (180, 433133), (181, 430740), (362, 215370), (543, 143580), (724, 107685), (905, 86148), (1086, 71790), (1629, 47860), (1810, 43074), (2172, 35895), (2393, 32580), (2715, 28716), (3258, 23930), (3620, 21537), (4786, 16290), (5430, 14358), (6516, 11965), (7179, 10860), (8145, 9572)]