210847980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2528

約数の個数: 144

約数和(自身を含む): 710730720

約数和(自身を除く): 499882740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 870, 980, 1015, 1218, 1421, 1470, 1740, 2030, 2436, 2473, 2842, 2940, 3045, 4060, 4263, 4946, 5684, 6090, 7105, 7419, 8526, 9892, 12180, 12365, 14210, 14838, 17052, 17311, 21315, 24730, 28420, 29676, 34622, 37095, 42630, 49460, 51933, 69244, 71717, 74190, 85260, 86555, 103866, 121177, 143434, 148380, 173110, 207732, 215151, 242354, 259665, 286868, 346220, 358585, 363531, 430302, 484708, 502019, 519330, 605885, 717170, 727062, 860604, 1004038, 1038660, 1075755, 1211770, 1434340, 1454124, 1506057, 1817655, 2008076, 2151510, 2423540, 2510095, 3012114, 3514133, 3635310, 4303020, 5020190, 6024228, 7028266, 7270620, 7530285, 10040380, 10542399, 14056532, 15060570, 17570665, 21084798, 30121140, 35141330, 42169596, 52711995, 70282660, 105423990, 210847980]

約数ペア:

[(1, 210847980), (2, 105423990), (3, 70282660), (4, 52711995), (5, 42169596), (6, 35141330), (7, 30121140), (10, 21084798), (12, 17570665), (14, 15060570), (15, 14056532), (20, 10542399), (21, 10040380), (28, 7530285), (29, 7270620), (30, 7028266), (35, 6024228), (42, 5020190), (49, 4303020), (58, 3635310), (60, 3514133), (70, 3012114), (84, 2510095), (87, 2423540), (98, 2151510), (105, 2008076), (116, 1817655), (140, 1506057), (145, 1454124), (147, 1434340), (174, 1211770), (196, 1075755), (203, 1038660), (210, 1004038), (245, 860604), (290, 727062), (294, 717170), (348, 605885), (406, 519330), (420, 502019), (435, 484708), (490, 430302), (580, 363531), (588, 358585), (609, 346220), (735, 286868), (812, 259665), (870, 242354), (980, 215151), (1015, 207732), (1218, 173110), (1421, 148380), (1470, 143434), (1740, 121177), (2030, 103866), (2436, 86555), (2473, 85260), (2842, 74190), (2940, 71717), (3045, 69244), (4060, 51933), (4263, 49460), (4946, 42630), (5684, 37095), (6090, 34622), (7105, 29676), (7419, 28420), (8526, 24730), (9892, 21315), (12180, 17311), (12365, 17052), (14210, 14838)]