61601960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 168099840

約数和(自身を除く): 106497880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 140, 151, 155, 188, 217, 235, 248, 280, 302, 310, 329, 376, 434, 470, 604, 620, 658, 755, 868, 940, 1057, 1085, 1208, 1240, 1316, 1457, 1510, 1645, 1736, 1880, 2114, 2170, 2632, 2914, 3020, 3290, 4228, 4340, 4681, 5285, 5828, 6040, 6580, 7097, 7285, 8456, 8680, 9362, 10199, 10570, 11656, 13160, 14194, 14570, 18724, 20398, 21140, 23405, 28388, 29140, 32767, 35485, 37448, 40796, 42280, 46810, 49679, 50995, 56776, 58280, 65534, 70970, 81592, 93620, 99358, 101990, 131068, 141940, 163835, 187240, 198716, 203980, 220007, 248395, 262136, 283880, 327670, 397432, 407960, 440014, 496790, 655340, 880028, 993580, 1100035, 1310680, 1540049, 1760056, 1987160, 2200070, 3080098, 4400140, 6160196, 7700245, 8800280, 12320392, 15400490, 30800980, 61601960]

約数ペア:

[(1, 61601960), (2, 30800980), (4, 15400490), (5, 12320392), (7, 8800280), (8, 7700245), (10, 6160196), (14, 4400140), (20, 3080098), (28, 2200070), (31, 1987160), (35, 1760056), (40, 1540049), (47, 1310680), (56, 1100035), (62, 993580), (70, 880028), (94, 655340), (124, 496790), (140, 440014), (151, 407960), (155, 397432), (188, 327670), (217, 283880), (235, 262136), (248, 248395), (280, 220007), (302, 203980), (310, 198716), (329, 187240), (376, 163835), (434, 141940), (470, 131068), (604, 101990), (620, 99358), (658, 93620), (755, 81592), (868, 70970), (940, 65534), (1057, 58280), (1085, 56776), (1208, 50995), (1240, 49679), (1316, 46810), (1457, 42280), (1510, 40796), (1645, 37448), (1736, 35485), (1880, 32767), (2114, 29140), (2170, 28388), (2632, 23405), (2914, 21140), (3020, 20398), (3290, 18724), (4228, 14570), (4340, 14194), (4681, 13160), (5285, 11656), (5828, 10570), (6040, 10199), (6580, 9362), (7097, 8680), (7285, 8456)]