38775420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6949}}^1$

素因数の和:6995

約数の個数: 72

約数和(自身を含む): 121430400

約数和(自身を除く): 82654980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 6949, 13898, 20847, 27796, 34745, 41694, 62541, 69490, 83388, 104235, 125082, 138980, 208470, 215419, 250164, 312705, 416940, 430838, 625410, 646257, 861676, 1077095, 1250820, 1292514, 1938771, 2154190, 2585028, 3231285, 3877542, 4308380, 6462570, 7755084, 9693855, 12925140, 19387710, 38775420]

約数ペア:

[(1, 38775420), (2, 19387710), (3, 12925140), (4, 9693855), (5, 7755084), (6, 6462570), (9, 4308380), (10, 3877542), (12, 3231285), (15, 2585028), (18, 2154190), (20, 1938771), (30, 1292514), (31, 1250820), (36, 1077095), (45, 861676), (60, 646257), (62, 625410), (90, 430838), (93, 416940), (124, 312705), (155, 250164), (180, 215419), (186, 208470), (279, 138980), (310, 125082), (372, 104235), (465, 83388), (558, 69490), (620, 62541), (930, 41694), (1116, 34745), (1395, 27796), (1860, 20847), (2790, 13898), (5580, 6949)]