75007980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3181}}^1$

素因数の和:3327

約数の個数: 72

約数和(自身を含む): 229333104

約数和(自身を除く): 154325124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3181, 3930, 4716, 5895, 6362, 7860, 9543, 11790, 12724, 15905, 19086, 23580, 28629, 31810, 38172, 47715, 57258, 63620, 95430, 114516, 143145, 190860, 286290, 416711, 572580, 833422, 1250133, 1666844, 2083555, 2500266, 3750399, 4167110, 5000532, 6250665, 7500798, 8334220, 12501330, 15001596, 18751995, 25002660, 37503990, 75007980]

約数ペア:

[(1, 75007980), (2, 37503990), (3, 25002660), (4, 18751995), (5, 15001596), (6, 12501330), (9, 8334220), (10, 7500798), (12, 6250665), (15, 5000532), (18, 4167110), (20, 3750399), (30, 2500266), (36, 2083555), (45, 1666844), (60, 1250133), (90, 833422), (131, 572580), (180, 416711), (262, 286290), (393, 190860), (524, 143145), (655, 114516), (786, 95430), (1179, 63620), (1310, 57258), (1572, 47715), (1965, 38172), (2358, 31810), (2620, 28629), (3181, 23580), (3930, 19086), (4716, 15905), (5895, 12724), (6362, 11790), (7860, 9543)]