17954580

素因数分解:

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

素因数の和:254

約数の個数: 144

約数和(自身を含む): 60673536

約数和(自身を除く): 42718956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 197, 210, 217, 245, 294, 310, 372, 394, 420, 434, 465, 490, 588, 591, 620, 651, 735, 788, 868, 930, 980, 985, 1085, 1182, 1302, 1379, 1470, 1519, 1860, 1970, 2170, 2364, 2604, 2758, 2940, 2955, 3038, 3255, 3940, 4137, 4340, 4557, 5516, 5910, 6076, 6107, 6510, 6895, 7595, 8274, 9114, 9653, 11820, 12214, 13020, 13790, 15190, 16548, 18228, 18321, 19306, 20685, 22785, 24428, 27580, 28959, 30380, 30535, 36642, 38612, 41370, 42749, 45570, 48265, 57918, 61070, 73284, 82740, 85498, 91140, 91605, 96530, 115836, 122140, 128247, 144795, 170996, 183210, 193060, 213745, 256494, 289590, 299243, 366420, 427490, 512988, 579180, 598486, 641235, 854980, 897729, 1196972, 1282470, 1496215, 1795458, 2564940, 2992430, 3590916, 4488645, 5984860, 8977290, 17954580]

約数ペア:

[(1, 17954580), (2, 8977290), (3, 5984860), (4, 4488645), (5, 3590916), (6, 2992430), (7, 2564940), (10, 1795458), (12, 1496215), (14, 1282470), (15, 1196972), (20, 897729), (21, 854980), (28, 641235), (30, 598486), (31, 579180), (35, 512988), (42, 427490), (49, 366420), (60, 299243), (62, 289590), (70, 256494), (84, 213745), (93, 193060), (98, 183210), (105, 170996), (124, 144795), (140, 128247), (147, 122140), (155, 115836), (186, 96530), (196, 91605), (197, 91140), (210, 85498), (217, 82740), (245, 73284), (294, 61070), (310, 57918), (372, 48265), (394, 45570), (420, 42749), (434, 41370), (465, 38612), (490, 36642), (588, 30535), (591, 30380), (620, 28959), (651, 27580), (735, 24428), (788, 22785), (868, 20685), (930, 19306), (980, 18321), (985, 18228), (1085, 16548), (1182, 15190), (1302, 13790), (1379, 13020), (1470, 12214), (1519, 11820), (1860, 9653), (1970, 9114), (2170, 8274), (2364, 7595), (2604, 6895), (2758, 6510), (2940, 6107), (2955, 6076), (3038, 5910), (3255, 5516), (3940, 4557), (4137, 4340)]