66611580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 219864960

約数和(自身を除く): 153253380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 139, 140, 147, 163, 196, 210, 245, 278, 294, 326, 417, 420, 489, 490, 556, 588, 652, 695, 735, 815, 834, 973, 978, 980, 1141, 1390, 1470, 1630, 1668, 1946, 1956, 2085, 2282, 2445, 2780, 2919, 2940, 3260, 3423, 3892, 4170, 4564, 4865, 4890, 5705, 5838, 6811, 6846, 7987, 8340, 9730, 9780, 11410, 11676, 13622, 13692, 14595, 15974, 17115, 19460, 20433, 22657, 22820, 23961, 27244, 29190, 31948, 34055, 34230, 39935, 40866, 45314, 47922, 58380, 67971, 68110, 68460, 79870, 81732, 90628, 95844, 102165, 113285, 119805, 135942, 136220, 158599, 159740, 204330, 226570, 239610, 271884, 317198, 339855, 408660, 453140, 475797, 479220, 634396, 679710, 792995, 951594, 1110193, 1359420, 1585990, 1903188, 2220386, 2378985, 3171980, 3330579, 4440772, 4757970, 5550965, 6661158, 9515940, 11101930, 13322316, 16652895, 22203860, 33305790, 66611580]

約数ペア:

[(1, 66611580), (2, 33305790), (3, 22203860), (4, 16652895), (5, 13322316), (6, 11101930), (7, 9515940), (10, 6661158), (12, 5550965), (14, 4757970), (15, 4440772), (20, 3330579), (21, 3171980), (28, 2378985), (30, 2220386), (35, 1903188), (42, 1585990), (49, 1359420), (60, 1110193), (70, 951594), (84, 792995), (98, 679710), (105, 634396), (139, 479220), (140, 475797), (147, 453140), (163, 408660), (196, 339855), (210, 317198), (245, 271884), (278, 239610), (294, 226570), (326, 204330), (417, 159740), (420, 158599), (489, 136220), (490, 135942), (556, 119805), (588, 113285), (652, 102165), (695, 95844), (735, 90628), (815, 81732), (834, 79870), (973, 68460), (978, 68110), (980, 67971), (1141, 58380), (1390, 47922), (1470, 45314), (1630, 40866), (1668, 39935), (1946, 34230), (1956, 34055), (2085, 31948), (2282, 29190), (2445, 27244), (2780, 23961), (2919, 22820), (2940, 22657), (3260, 20433), (3423, 19460), (3892, 17115), (4170, 15974), (4564, 14595), (4865, 13692), (4890, 13622), (5705, 11676), (5838, 11410), (6811, 9780), (6846, 9730), (7987, 8340)]