201018120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 623462400

約数和(自身を除く): 422444280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 163, 172, 215, 239, 258, 326, 344, 430, 478, 489, 516, 645, 652, 717, 815, 860, 956, 978, 1032, 1195, 1290, 1304, 1434, 1630, 1720, 1912, 1956, 2390, 2445, 2580, 2868, 3260, 3585, 3912, 4780, 4890, 5160, 5736, 6520, 7009, 7170, 9560, 9780, 10277, 14018, 14340, 19560, 20554, 21027, 28036, 28680, 30831, 35045, 38957, 41108, 42054, 51385, 56072, 61662, 70090, 77914, 82216, 84108, 102770, 105135, 116871, 123324, 140180, 154155, 155828, 168216, 194785, 205540, 210270, 233742, 246648, 280360, 308310, 311656, 389570, 411080, 420540, 467484, 584355, 616620, 779140, 841080, 934968, 1168710, 1233240, 1558280, 1675151, 2337420, 3350302, 4674840, 5025453, 6700604, 8375755, 10050906, 13401208, 16751510, 20101812, 25127265, 33503020, 40203624, 50254530, 67006040, 100509060, 201018120]

約数ペア:

[(1, 201018120), (2, 100509060), (3, 67006040), (4, 50254530), (5, 40203624), (6, 33503020), (8, 25127265), (10, 20101812), (12, 16751510), (15, 13401208), (20, 10050906), (24, 8375755), (30, 6700604), (40, 5025453), (43, 4674840), (60, 3350302), (86, 2337420), (120, 1675151), (129, 1558280), (163, 1233240), (172, 1168710), (215, 934968), (239, 841080), (258, 779140), (326, 616620), (344, 584355), (430, 467484), (478, 420540), (489, 411080), (516, 389570), (645, 311656), (652, 308310), (717, 280360), (815, 246648), (860, 233742), (956, 210270), (978, 205540), (1032, 194785), (1195, 168216), (1290, 155828), (1304, 154155), (1434, 140180), (1630, 123324), (1720, 116871), (1912, 105135), (1956, 102770), (2390, 84108), (2445, 82216), (2580, 77914), (2868, 70090), (3260, 61662), (3585, 56072), (3912, 51385), (4780, 42054), (4890, 41108), (5160, 38957), (5736, 35045), (6520, 30831), (7009, 28680), (7170, 28036), (9560, 21027), (9780, 20554), (10277, 19560), (14018, 14340)]