72707180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 108

約数和(自身を含む): 192764880

約数和(自身を除く): 120057700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 364, 439, 455, 490, 637, 676, 845, 878, 910, 980, 1183, 1274, 1690, 1756, 1820, 2195, 2366, 2548, 3073, 3185, 3380, 4390, 4732, 5707, 5915, 6146, 6370, 8281, 8780, 11414, 11830, 12292, 12740, 15365, 16562, 21511, 22828, 23660, 28535, 30730, 33124, 39949, 41405, 43022, 57070, 61460, 74191, 79898, 82810, 86044, 107555, 114140, 148382, 159796, 165620, 199745, 215110, 279643, 296764, 370955, 399490, 430220, 519337, 559286, 741910, 798980, 1038674, 1118572, 1398215, 1483820, 2077348, 2596685, 2796430, 3635359, 5193370, 5592860, 7270718, 10386740, 14541436, 18176795, 36353590, 72707180]

約数ペア:

[(1, 72707180), (2, 36353590), (4, 18176795), (5, 14541436), (7, 10386740), (10, 7270718), (13, 5592860), (14, 5193370), (20, 3635359), (26, 2796430), (28, 2596685), (35, 2077348), (49, 1483820), (52, 1398215), (65, 1118572), (70, 1038674), (91, 798980), (98, 741910), (130, 559286), (140, 519337), (169, 430220), (182, 399490), (196, 370955), (245, 296764), (260, 279643), (338, 215110), (364, 199745), (439, 165620), (455, 159796), (490, 148382), (637, 114140), (676, 107555), (845, 86044), (878, 82810), (910, 79898), (980, 74191), (1183, 61460), (1274, 57070), (1690, 43022), (1756, 41405), (1820, 39949), (2195, 33124), (2366, 30730), (2548, 28535), (3073, 23660), (3185, 22828), (3380, 21511), (4390, 16562), (4732, 15365), (5707, 12740), (5915, 12292), (6146, 11830), (6370, 11414), (8281, 8780)]