31160220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 108218880

約数和(自身を除く): 77058660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 439, 455, 507, 546, 676, 780, 845, 878, 910, 1014, 1092, 1183, 1317, 1365, 1690, 1756, 1820, 2028, 2195, 2366, 2535, 2634, 2730, 3073, 3380, 3549, 4390, 4732, 5070, 5268, 5460, 5707, 5915, 6146, 6585, 7098, 8780, 9219, 10140, 11414, 11830, 12292, 13170, 14196, 15365, 17121, 17745, 18438, 22828, 23660, 26340, 28535, 30730, 34242, 35490, 36876, 39949, 46095, 57070, 61460, 68484, 70980, 74191, 79898, 85605, 92190, 114140, 119847, 148382, 159796, 171210, 184380, 199745, 222573, 239694, 296764, 342420, 370955, 399490, 445146, 479388, 519337, 599235, 741910, 798980, 890292, 1038674, 1112865, 1198470, 1483820, 1558011, 2077348, 2225730, 2396940, 2596685, 3116022, 4451460, 5193370, 6232044, 7790055, 10386740, 15580110, 31160220]

約数ペア:

[(1, 31160220), (2, 15580110), (3, 10386740), (4, 7790055), (5, 6232044), (6, 5193370), (7, 4451460), (10, 3116022), (12, 2596685), (13, 2396940), (14, 2225730), (15, 2077348), (20, 1558011), (21, 1483820), (26, 1198470), (28, 1112865), (30, 1038674), (35, 890292), (39, 798980), (42, 741910), (52, 599235), (60, 519337), (65, 479388), (70, 445146), (78, 399490), (84, 370955), (91, 342420), (105, 296764), (130, 239694), (140, 222573), (156, 199745), (169, 184380), (182, 171210), (195, 159796), (210, 148382), (260, 119847), (273, 114140), (338, 92190), (364, 85605), (390, 79898), (420, 74191), (439, 70980), (455, 68484), (507, 61460), (546, 57070), (676, 46095), (780, 39949), (845, 36876), (878, 35490), (910, 34242), (1014, 30730), (1092, 28535), (1183, 26340), (1317, 23660), (1365, 22828), (1690, 18438), (1756, 17745), (1820, 17121), (2028, 15365), (2195, 14196), (2366, 13170), (2535, 12292), (2634, 11830), (2730, 11414), (3073, 10140), (3380, 9219), (3549, 8780), (4390, 7098), (4732, 6585), (5070, 6146), (5268, 5915), (5460, 5707)]