39951660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 132378624

約数和(自身を除く): 92426964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 127, 140, 147, 196, 210, 214, 245, 254, 294, 321, 381, 420, 428, 490, 508, 535, 588, 635, 642, 735, 749, 762, 889, 980, 1070, 1270, 1284, 1470, 1498, 1524, 1605, 1778, 1905, 2140, 2247, 2540, 2667, 2940, 2996, 3210, 3556, 3745, 3810, 4445, 4494, 5243, 5334, 6223, 6420, 7490, 7620, 8890, 8988, 10486, 10668, 11235, 12446, 13335, 13589, 14980, 15729, 17780, 18669, 20972, 22470, 24892, 26215, 26670, 27178, 31115, 31458, 37338, 40767, 44940, 52430, 53340, 54356, 62230, 62916, 67945, 74676, 78645, 81534, 93345, 95123, 104860, 124460, 135890, 157290, 163068, 186690, 190246, 203835, 271780, 285369, 314580, 373380, 380492, 407670, 475615, 570738, 665861, 815340, 951230, 1141476, 1331722, 1426845, 1902460, 1997583, 2663444, 2853690, 3329305, 3995166, 5707380, 6658610, 7990332, 9987915, 13317220, 19975830, 39951660]

約数ペア:

[(1, 39951660), (2, 19975830), (3, 13317220), (4, 9987915), (5, 7990332), (6, 6658610), (7, 5707380), (10, 3995166), (12, 3329305), (14, 2853690), (15, 2663444), (20, 1997583), (21, 1902460), (28, 1426845), (30, 1331722), (35, 1141476), (42, 951230), (49, 815340), (60, 665861), (70, 570738), (84, 475615), (98, 407670), (105, 380492), (107, 373380), (127, 314580), (140, 285369), (147, 271780), (196, 203835), (210, 190246), (214, 186690), (245, 163068), (254, 157290), (294, 135890), (321, 124460), (381, 104860), (420, 95123), (428, 93345), (490, 81534), (508, 78645), (535, 74676), (588, 67945), (635, 62916), (642, 62230), (735, 54356), (749, 53340), (762, 52430), (889, 44940), (980, 40767), (1070, 37338), (1270, 31458), (1284, 31115), (1470, 27178), (1498, 26670), (1524, 26215), (1605, 24892), (1778, 22470), (1905, 20972), (2140, 18669), (2247, 17780), (2540, 15729), (2667, 14980), (2940, 13589), (2996, 13335), (3210, 12446), (3556, 11235), (3745, 10668), (3810, 10486), (4445, 8988), (4494, 8890), (5243, 7620), (5334, 7490), (6223, 6420)]