206519880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5231}}^1$

素因数の和:5299

約数の個数: 128

約数和(自身を含む): 723271680

約数和(自身を除く): 516751800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5231, 5640, 6580, 7896, 9870, 10462, 13160, 15693, 19740, 20924, 26155, 31386, 36617, 39480, 41848, 52310, 62772, 73234, 78465, 104620, 109851, 125544, 146468, 156930, 183085, 209240, 219702, 245857, 292936, 313860, 366170, 439404, 491714, 549255, 627720, 732340, 737571, 878808, 983428, 1098510, 1229285, 1464680, 1475142, 1720999, 1966856, 2197020, 2458570, 2950284, 3441998, 3687855, 4394040, 4917140, 5162997, 5900568, 6883996, 7375710, 8604995, 9834280, 10325994, 13767992, 14751420, 17209990, 20651988, 25814985, 29502840, 34419980, 41303976, 51629970, 68839960, 103259940, 206519880]

約数ペア:

[(1, 206519880), (2, 103259940), (3, 68839960), (4, 51629970), (5, 41303976), (6, 34419980), (7, 29502840), (8, 25814985), (10, 20651988), (12, 17209990), (14, 14751420), (15, 13767992), (20, 10325994), (21, 9834280), (24, 8604995), (28, 7375710), (30, 6883996), (35, 5900568), (40, 5162997), (42, 4917140), (47, 4394040), (56, 3687855), (60, 3441998), (70, 2950284), (84, 2458570), (94, 2197020), (105, 1966856), (120, 1720999), (140, 1475142), (141, 1464680), (168, 1229285), (188, 1098510), (210, 983428), (235, 878808), (280, 737571), (282, 732340), (329, 627720), (376, 549255), (420, 491714), (470, 439404), (564, 366170), (658, 313860), (705, 292936), (840, 245857), (940, 219702), (987, 209240), (1128, 183085), (1316, 156930), (1410, 146468), (1645, 125544), (1880, 109851), (1974, 104620), (2632, 78465), (2820, 73234), (3290, 62772), (3948, 52310), (4935, 41848), (5231, 39480), (5640, 36617), (6580, 31386), (7896, 26155), (9870, 20924), (10462, 19740), (13160, 15693)]