81253650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{18679}}^1$

素因数の和:18723

約数の個数: 48

約数和(自身を含む): 208468800

約数和(自身を除く): 127215150

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 18679, 37358, 56037, 93395, 112074, 186790, 280185, 466975, 541691, 560370, 933950, 1083382, 1400925, 1625073, 2708455, 2801850, 3250146, 5416910, 8125365, 13542275, 16250730, 27084550, 40626825, 81253650]

約数ペア:

[(1, 81253650), (2, 40626825), (3, 27084550), (5, 16250730), (6, 13542275), (10, 8125365), (15, 5416910), (25, 3250146), (29, 2801850), (30, 2708455), (50, 1625073), (58, 1400925), (75, 1083382), (87, 933950), (145, 560370), (150, 541691), (174, 466975), (290, 280185), (435, 186790), (725, 112074), (870, 93395), (1450, 56037), (2175, 37358), (4350, 18679)]