66744860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 182327040

約数和(自身を除く): 115582180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 169, 182, 196, 217, 245, 260, 310, 338, 364, 403, 434, 455, 490, 620, 637, 676, 806, 845, 868, 910, 980, 1085, 1183, 1274, 1519, 1612, 1690, 1820, 2015, 2170, 2197, 2366, 2548, 2821, 3038, 3185, 3380, 4030, 4340, 4394, 4732, 5239, 5642, 5915, 6076, 6370, 7595, 8060, 8281, 8788, 10478, 10985, 11284, 11830, 12740, 14105, 15190, 15379, 16562, 19747, 20956, 21970, 23660, 26195, 28210, 30380, 30758, 33124, 36673, 39494, 41405, 43940, 52390, 56420, 61516, 68107, 73346, 76895, 78988, 82810, 98735, 104780, 107653, 136214, 146692, 153790, 165620, 183365, 197470, 215306, 256711, 272428, 307580, 340535, 366730, 394940, 430612, 476749, 513422, 538265, 681070, 733460, 953498, 1026844, 1076530, 1283555, 1362140, 1906996, 2153060, 2383745, 2567110, 3337243, 4767490, 5134220, 6674486, 9534980, 13348972, 16686215, 33372430, 66744860]

約数ペア:

[(1, 66744860), (2, 33372430), (4, 16686215), (5, 13348972), (7, 9534980), (10, 6674486), (13, 5134220), (14, 4767490), (20, 3337243), (26, 2567110), (28, 2383745), (31, 2153060), (35, 1906996), (49, 1362140), (52, 1283555), (62, 1076530), (65, 1026844), (70, 953498), (91, 733460), (98, 681070), (124, 538265), (130, 513422), (140, 476749), (155, 430612), (169, 394940), (182, 366730), (196, 340535), (217, 307580), (245, 272428), (260, 256711), (310, 215306), (338, 197470), (364, 183365), (403, 165620), (434, 153790), (455, 146692), (490, 136214), (620, 107653), (637, 104780), (676, 98735), (806, 82810), (845, 78988), (868, 76895), (910, 73346), (980, 68107), (1085, 61516), (1183, 56420), (1274, 52390), (1519, 43940), (1612, 41405), (1690, 39494), (1820, 36673), (2015, 33124), (2170, 30758), (2197, 30380), (2366, 28210), (2548, 26195), (2821, 23660), (3038, 21970), (3185, 20956), (3380, 19747), (4030, 16562), (4340, 15379), (4394, 15190), (4732, 14105), (5239, 12740), (5642, 11830), (5915, 11284), (6076, 10985), (6370, 10478), (7595, 8788), (8060, 8281)]