83788040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 144307960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 197, 217, 245, 248, 280, 310, 343, 392, 394, 434, 490, 620, 686, 788, 868, 980, 985, 1085, 1240, 1372, 1379, 1519, 1576, 1715, 1736, 1960, 1970, 2170, 2744, 2758, 3038, 3430, 3940, 4340, 5516, 6076, 6107, 6860, 6895, 7595, 7880, 8680, 9653, 10633, 11032, 12152, 12214, 13720, 13790, 15190, 19306, 21266, 24428, 27580, 30380, 30535, 38612, 42532, 42749, 48265, 48856, 53165, 55160, 60760, 61070, 67571, 77224, 85064, 85498, 96530, 106330, 122140, 135142, 170996, 193060, 212660, 213745, 244280, 270284, 299243, 337855, 341992, 386120, 425320, 427490, 540568, 598486, 675710, 854980, 1196972, 1351420, 1496215, 1709960, 2094701, 2393944, 2702840, 2992430, 4189402, 5984860, 8378804, 10473505, 11969720, 16757608, 20947010, 41894020, 83788040]

約数ペア:

[(1, 83788040), (2, 41894020), (4, 20947010), (5, 16757608), (7, 11969720), (8, 10473505), (10, 8378804), (14, 5984860), (20, 4189402), (28, 2992430), (31, 2702840), (35, 2393944), (40, 2094701), (49, 1709960), (56, 1496215), (62, 1351420), (70, 1196972), (98, 854980), (124, 675710), (140, 598486), (155, 540568), (196, 427490), (197, 425320), (217, 386120), (245, 341992), (248, 337855), (280, 299243), (310, 270284), (343, 244280), (392, 213745), (394, 212660), (434, 193060), (490, 170996), (620, 135142), (686, 122140), (788, 106330), (868, 96530), (980, 85498), (985, 85064), (1085, 77224), (1240, 67571), (1372, 61070), (1379, 60760), (1519, 55160), (1576, 53165), (1715, 48856), (1736, 48265), (1960, 42749), (1970, 42532), (2170, 38612), (2744, 30535), (2758, 30380), (3038, 27580), (3430, 24428), (3940, 21266), (4340, 19306), (5516, 15190), (6076, 13790), (6107, 13720), (6860, 12214), (6895, 12152), (7595, 11032), (7880, 10633), (8680, 9653)]