78730260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 261233280

約数和(自身を除く): 182503020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 439, 490, 588, 610, 732, 735, 854, 878, 915, 980, 1220, 1281, 1317, 1470, 1708, 1756, 1830, 2135, 2195, 2562, 2634, 2940, 2989, 3073, 3660, 4270, 4390, 5124, 5268, 5978, 6146, 6405, 6585, 8540, 8780, 8967, 9219, 11956, 12292, 12810, 13170, 14945, 15365, 17934, 18438, 21511, 25620, 26340, 26779, 29890, 30730, 35868, 36876, 43022, 44835, 46095, 53558, 59780, 61460, 64533, 80337, 86044, 89670, 92190, 107116, 107555, 129066, 133895, 160674, 179340, 184380, 187453, 215110, 258132, 267790, 321348, 322665, 374906, 401685, 430220, 535580, 562359, 645330, 749812, 803370, 937265, 1124718, 1290660, 1312171, 1606740, 1874530, 2249436, 2624342, 2811795, 3749060, 3936513, 5248684, 5623590, 6560855, 7873026, 11247180, 13121710, 15746052, 19682565, 26243420, 39365130, 78730260]

約数ペア:

[(1, 78730260), (2, 39365130), (3, 26243420), (4, 19682565), (5, 15746052), (6, 13121710), (7, 11247180), (10, 7873026), (12, 6560855), (14, 5623590), (15, 5248684), (20, 3936513), (21, 3749060), (28, 2811795), (30, 2624342), (35, 2249436), (42, 1874530), (49, 1606740), (60, 1312171), (61, 1290660), (70, 1124718), (84, 937265), (98, 803370), (105, 749812), (122, 645330), (140, 562359), (147, 535580), (183, 430220), (196, 401685), (210, 374906), (244, 322665), (245, 321348), (294, 267790), (305, 258132), (366, 215110), (420, 187453), (427, 184380), (439, 179340), (490, 160674), (588, 133895), (610, 129066), (732, 107555), (735, 107116), (854, 92190), (878, 89670), (915, 86044), (980, 80337), (1220, 64533), (1281, 61460), (1317, 59780), (1470, 53558), (1708, 46095), (1756, 44835), (1830, 43022), (2135, 36876), (2195, 35868), (2562, 30730), (2634, 29890), (2940, 26779), (2989, 26340), (3073, 25620), (3660, 21511), (4270, 18438), (4390, 17934), (5124, 15365), (5268, 14945), (5978, 13170), (6146, 12810), (6405, 12292), (6585, 11956), (8540, 9219), (8780, 8967)]