81356700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2107

約数の個数: 72

約数和(自身を含む): 237207040

約数和(自身を除く): 155850340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 417, 556, 695, 834, 1390, 1668, 1951, 2085, 2780, 3475, 3902, 4170, 5853, 6950, 7804, 8340, 9755, 10425, 11706, 13900, 19510, 20850, 23412, 29265, 39020, 41700, 48775, 58530, 97550, 117060, 146325, 195100, 271189, 292650, 542378, 585300, 813567, 1084756, 1355945, 1627134, 2711890, 3254268, 4067835, 5423780, 6779725, 8135670, 13559450, 16271340, 20339175, 27118900, 40678350, 81356700]

約数ペア:

[(1, 81356700), (2, 40678350), (3, 27118900), (4, 20339175), (5, 16271340), (6, 13559450), (10, 8135670), (12, 6779725), (15, 5423780), (20, 4067835), (25, 3254268), (30, 2711890), (50, 1627134), (60, 1355945), (75, 1084756), (100, 813567), (139, 585300), (150, 542378), (278, 292650), (300, 271189), (417, 195100), (556, 146325), (695, 117060), (834, 97550), (1390, 58530), (1668, 48775), (1951, 41700), (2085, 39020), (2780, 29265), (3475, 23412), (3902, 20850), (4170, 19510), (5853, 13900), (6950, 11706), (7804, 10425), (8340, 9755)]