8350020

素因数分解:

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

素因数の和:119

約数の個数: 144

約数和(自身を含む): 30334080

約数和(自身を除く): 21984060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 126, 135, 140, 141, 180, 188, 189, 210, 235, 252, 270, 282, 315, 329, 378, 420, 423, 470, 540, 564, 630, 658, 705, 756, 846, 940, 945, 987, 1260, 1269, 1316, 1410, 1645, 1692, 1890, 1974, 2115, 2209, 2538, 2820, 2961, 3290, 3780, 3948, 4230, 4418, 4935, 5076, 5922, 6345, 6580, 6627, 8460, 8836, 8883, 9870, 11045, 11844, 12690, 13254, 14805, 15463, 17766, 19740, 19881, 22090, 25380, 26508, 29610, 30926, 33135, 35532, 39762, 44180, 44415, 46389, 59220, 59643, 61852, 66270, 77315, 79524, 88830, 92778, 99405, 119286, 132540, 139167, 154630, 177660, 185556, 198810, 231945, 238572, 278334, 298215, 309260, 397620, 417501, 463890, 556668, 596430, 695835, 835002, 927780, 1192860, 1391670, 1670004, 2087505, 2783340, 4175010, 8350020]

約数ペア:

[(1, 8350020), (2, 4175010), (3, 2783340), (4, 2087505), (5, 1670004), (6, 1391670), (7, 1192860), (9, 927780), (10, 835002), (12, 695835), (14, 596430), (15, 556668), (18, 463890), (20, 417501), (21, 397620), (27, 309260), (28, 298215), (30, 278334), (35, 238572), (36, 231945), (42, 198810), (45, 185556), (47, 177660), (54, 154630), (60, 139167), (63, 132540), (70, 119286), (84, 99405), (90, 92778), (94, 88830), (105, 79524), (108, 77315), (126, 66270), (135, 61852), (140, 59643), (141, 59220), (180, 46389), (188, 44415), (189, 44180), (210, 39762), (235, 35532), (252, 33135), (270, 30926), (282, 29610), (315, 26508), (329, 25380), (378, 22090), (420, 19881), (423, 19740), (470, 17766), (540, 15463), (564, 14805), (630, 13254), (658, 12690), (705, 11844), (756, 11045), (846, 9870), (940, 8883), (945, 8836), (987, 8460), (1260, 6627), (1269, 6580), (1316, 6345), (1410, 5922), (1645, 5076), (1692, 4935), (1890, 4418), (1974, 4230), (2115, 3948), (2209, 3780), (2538, 3290), (2820, 2961)]