61819380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 216

約数和(自身を含む): 224576352

約数和(自身を除く): 162756972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 49, 60, 63, 70, 84, 86, 90, 98, 105, 126, 129, 140, 147, 163, 172, 180, 196, 210, 215, 245, 252, 258, 294, 301, 315, 326, 387, 420, 430, 441, 489, 490, 516, 588, 602, 630, 645, 652, 735, 774, 815, 860, 882, 903, 978, 980, 1141, 1204, 1260, 1290, 1467, 1470, 1505, 1548, 1630, 1764, 1806, 1935, 1956, 2107, 2205, 2282, 2445, 2580, 2709, 2934, 2940, 3010, 3260, 3423, 3612, 3870, 4214, 4410, 4515, 4564, 4890, 5418, 5705, 5868, 6020, 6321, 6846, 7009, 7335, 7740, 7987, 8428, 8820, 9030, 9780, 10269, 10535, 10836, 11410, 12642, 13545, 13692, 14018, 14670, 15974, 17115, 18060, 18963, 20538, 21027, 21070, 22820, 23961, 25284, 27090, 28036, 29340, 31605, 31948, 34230, 35045, 37926, 39935, 41076, 42054, 42140, 47922, 49063, 51345, 54180, 63081, 63210, 68460, 70090, 71883, 75852, 79870, 84108, 94815, 95844, 98126, 102690, 105135, 119805, 126162, 126420, 140180, 143766, 147189, 159740, 189630, 196252, 205380, 210270, 239610, 245315, 252324, 287532, 294378, 315405, 343441, 359415, 379260, 420540, 441567, 479220, 490630, 588756, 630810, 686882, 718830, 735945, 883134, 981260, 1030323, 1261620, 1373764, 1437660, 1471890, 1717205, 1766268, 2060646, 2207835, 2943780, 3090969, 3434410, 4121292, 4415670, 5151615, 6181938, 6868820, 8831340, 10303230, 12363876, 15454845, 20606460, 30909690, 61819380]

約数ペア:

[(1, 61819380), (2, 30909690), (3, 20606460), (4, 15454845), (5, 12363876), (6, 10303230), (7, 8831340), (9, 6868820), (10, 6181938), (12, 5151615), (14, 4415670), (15, 4121292), (18, 3434410), (20, 3090969), (21, 2943780), (28, 2207835), (30, 2060646), (35, 1766268), (36, 1717205), (42, 1471890), (43, 1437660), (45, 1373764), (49, 1261620), (60, 1030323), (63, 981260), (70, 883134), (84, 735945), (86, 718830), (90, 686882), (98, 630810), (105, 588756), (126, 490630), (129, 479220), (140, 441567), (147, 420540), (163, 379260), (172, 359415), (180, 343441), (196, 315405), (210, 294378), (215, 287532), (245, 252324), (252, 245315), (258, 239610), (294, 210270), (301, 205380), (315, 196252), (326, 189630), (387, 159740), (420, 147189), (430, 143766), (441, 140180), (489, 126420), (490, 126162), (516, 119805), (588, 105135), (602, 102690), (630, 98126), (645, 95844), (652, 94815), (735, 84108), (774, 79870), (815, 75852), (860, 71883), (882, 70090), (903, 68460), (978, 63210), (980, 63081), (1141, 54180), (1204, 51345), (1260, 49063), (1290, 47922), (1467, 42140), (1470, 42054), (1505, 41076), (1548, 39935), (1630, 37926), (1764, 35045), (1806, 34230), (1935, 31948), (1956, 31605), (2107, 29340), (2205, 28036), (2282, 27090), (2445, 25284), (2580, 23961), (2709, 22820), (2934, 21070), (2940, 21027), (3010, 20538), (3260, 18963), (3423, 18060), (3612, 17115), (3870, 15974), (4214, 14670), (4410, 14018), (4515, 13692), (4564, 13545), (4890, 12642), (5418, 11410), (5705, 10836), (5868, 10535), (6020, 10269), (6321, 9780), (6846, 9030), (7009, 8820), (7335, 8428), (7740, 7987)]