9878940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:859

約数の個数: 72

約数和(自身を含む): 30427488

約数和(自身を除く): 20548548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 773, 852, 1065, 1278, 1420, 1546, 2130, 2319, 2556, 3092, 3195, 3865, 4260, 4638, 6390, 6957, 7730, 9276, 11595, 12780, 13914, 15460, 23190, 27828, 34785, 46380, 54883, 69570, 109766, 139140, 164649, 219532, 274415, 329298, 493947, 548830, 658596, 823245, 987894, 1097660, 1646490, 1975788, 2469735, 3292980, 4939470, 9878940]

約数ペア:

[(1, 9878940), (2, 4939470), (3, 3292980), (4, 2469735), (5, 1975788), (6, 1646490), (9, 1097660), (10, 987894), (12, 823245), (15, 658596), (18, 548830), (20, 493947), (30, 329298), (36, 274415), (45, 219532), (60, 164649), (71, 139140), (90, 109766), (142, 69570), (180, 54883), (213, 46380), (284, 34785), (355, 27828), (426, 23190), (639, 15460), (710, 13914), (773, 12780), (852, 11595), (1065, 9276), (1278, 7730), (1420, 6957), (1546, 6390), (2130, 4638), (2319, 4260), (2556, 3865), (3092, 3195)]