171933720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1257

約数の個数: 128

約数和(自身を含む): 593049600

約数和(自身を除く): 421115880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1039, 1182, 1379, 1576, 1970, 2078, 2364, 2758, 2955, 3117, 3940, 4137, 4156, 4728, 5195, 5516, 5910, 6234, 6895, 7273, 7880, 8274, 8312, 10390, 11032, 11820, 12468, 13790, 14546, 15585, 16548, 20685, 20780, 21819, 23640, 24936, 27580, 29092, 31170, 33096, 36365, 41370, 41560, 43638, 55160, 58184, 62340, 72730, 82740, 87276, 109095, 124680, 145460, 165480, 174552, 204683, 218190, 290920, 409366, 436380, 614049, 818732, 872760, 1023415, 1228098, 1432781, 1637464, 2046830, 2456196, 2865562, 3070245, 4093660, 4298343, 4912392, 5731124, 6140490, 7163905, 8187320, 8596686, 11462248, 12280980, 14327810, 17193372, 21491715, 24561960, 28655620, 34386744, 42983430, 57311240, 85966860, 171933720]

約数ペア:

[(1, 171933720), (2, 85966860), (3, 57311240), (4, 42983430), (5, 34386744), (6, 28655620), (7, 24561960), (8, 21491715), (10, 17193372), (12, 14327810), (14, 12280980), (15, 11462248), (20, 8596686), (21, 8187320), (24, 7163905), (28, 6140490), (30, 5731124), (35, 4912392), (40, 4298343), (42, 4093660), (56, 3070245), (60, 2865562), (70, 2456196), (84, 2046830), (105, 1637464), (120, 1432781), (140, 1228098), (168, 1023415), (197, 872760), (210, 818732), (280, 614049), (394, 436380), (420, 409366), (591, 290920), (788, 218190), (840, 204683), (985, 174552), (1039, 165480), (1182, 145460), (1379, 124680), (1576, 109095), (1970, 87276), (2078, 82740), (2364, 72730), (2758, 62340), (2955, 58184), (3117, 55160), (3940, 43638), (4137, 41560), (4156, 41370), (4728, 36365), (5195, 33096), (5516, 31170), (5910, 29092), (6234, 27580), (6895, 24936), (7273, 23640), (7880, 21819), (8274, 20780), (8312, 20685), (10390, 16548), (11032, 15585), (11820, 14546), (12468, 13790)]