31450140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:576

約数の個数: 96

約数和(自身を含む): 98784000

約数和(自身を除く): 67333860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 139, 180, 270, 278, 417, 419, 540, 556, 695, 834, 838, 1251, 1257, 1390, 1668, 1676, 2085, 2095, 2502, 2514, 2780, 3753, 3771, 4170, 4190, 5004, 5028, 6255, 6285, 7506, 7542, 8340, 8380, 11313, 12510, 12570, 15012, 15084, 18765, 18855, 22626, 25020, 25140, 37530, 37710, 45252, 56565, 58241, 75060, 75420, 113130, 116482, 174723, 226260, 232964, 291205, 349446, 524169, 582410, 698892, 873615, 1048338, 1164820, 1572507, 1747230, 2096676, 2620845, 3145014, 3494460, 5241690, 6290028, 7862535, 10483380, 15725070, 31450140]

約数ペア:

[(1, 31450140), (2, 15725070), (3, 10483380), (4, 7862535), (5, 6290028), (6, 5241690), (9, 3494460), (10, 3145014), (12, 2620845), (15, 2096676), (18, 1747230), (20, 1572507), (27, 1164820), (30, 1048338), (36, 873615), (45, 698892), (54, 582410), (60, 524169), (90, 349446), (108, 291205), (135, 232964), (139, 226260), (180, 174723), (270, 116482), (278, 113130), (417, 75420), (419, 75060), (540, 58241), (556, 56565), (695, 45252), (834, 37710), (838, 37530), (1251, 25140), (1257, 25020), (1390, 22626), (1668, 18855), (1676, 18765), (2085, 15084), (2095, 15012), (2502, 12570), (2514, 12510), (2780, 11313), (3753, 8380), (3771, 8340), (4170, 7542), (4190, 7506), (5004, 6285), (5028, 6255)]