31177860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3945

約数の個数: 96

約数和(自身を含む): 105047040

約数和(自身を除く): 73869180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3907, 3990, 7814, 7980, 11721, 15628, 19535, 23442, 27349, 39070, 46884, 54698, 58605, 74233, 78140, 82047, 109396, 117210, 136745, 148466, 164094, 222699, 234420, 273490, 296932, 328188, 371165, 410235, 445398, 519631, 546980, 742330, 820470, 890796, 1039262, 1113495, 1484660, 1558893, 1640940, 2078524, 2226990, 2598155, 3117786, 4453980, 5196310, 6235572, 7794465, 10392620, 15588930, 31177860]

約数ペア:

[(1, 31177860), (2, 15588930), (3, 10392620), (4, 7794465), (5, 6235572), (6, 5196310), (7, 4453980), (10, 3117786), (12, 2598155), (14, 2226990), (15, 2078524), (19, 1640940), (20, 1558893), (21, 1484660), (28, 1113495), (30, 1039262), (35, 890796), (38, 820470), (42, 742330), (57, 546980), (60, 519631), (70, 445398), (76, 410235), (84, 371165), (95, 328188), (105, 296932), (114, 273490), (133, 234420), (140, 222699), (190, 164094), (210, 148466), (228, 136745), (266, 117210), (285, 109396), (380, 82047), (399, 78140), (420, 74233), (532, 58605), (570, 54698), (665, 46884), (798, 39070), (1140, 27349), (1330, 23442), (1596, 19535), (1995, 15628), (2660, 11721), (3907, 7980), (3990, 7814)]