12171900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3151

約数の個数: 72

約数和(自身を含む): 37938544

約数和(自身を除く): 25766644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3121, 3900, 6242, 9363, 12484, 15605, 18726, 31210, 37452, 40573, 46815, 62420, 78025, 81146, 93630, 121719, 156050, 162292, 187260, 202865, 234075, 243438, 312100, 405730, 468150, 486876, 608595, 811460, 936300, 1014325, 1217190, 2028650, 2434380, 3042975, 4057300, 6085950, 12171900]

約数ペア:

[(1, 12171900), (2, 6085950), (3, 4057300), (4, 3042975), (5, 2434380), (6, 2028650), (10, 1217190), (12, 1014325), (13, 936300), (15, 811460), (20, 608595), (25, 486876), (26, 468150), (30, 405730), (39, 312100), (50, 243438), (52, 234075), (60, 202865), (65, 187260), (75, 162292), (78, 156050), (100, 121719), (130, 93630), (150, 81146), (156, 78025), (195, 62420), (260, 46815), (300, 40573), (325, 37452), (390, 31210), (650, 18726), (780, 15605), (975, 12484), (1300, 9363), (1950, 6242), (3121, 3900)]