318352020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 192

約数和(自身を含む): 1075200000

約数和(自身を除く): 756847980

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, 210, 217, 245, 294, 310, 343, 372, 420, 434, 465, 490, 499, 588, 620, 651, 686, 735, 868, 930, 980, 998, 1029, 1085, 1302, 1372, 1470, 1497, 1519, 1715, 1860, 1996, 2058, 2170, 2495, 2604, 2940, 2994, 3038, 3255, 3430, 3493, 4116, 4340, 4557, 4990, 5145, 5988, 6076, 6510, 6860, 6986, 7485, 7595, 9114, 9980, 10290, 10479, 10633, 13020, 13972, 14970, 15190, 15469, 17465, 18228, 20580, 20958, 21266, 22785, 24451, 29940, 30380, 30938, 31899, 34930, 41916, 42532, 45570, 46407, 48902, 52395, 53165, 61876, 63798, 69860, 73353, 77345, 91140, 92814, 97804, 104790, 106330, 108283, 122255, 127596, 146706, 154690, 159495, 171157, 185628, 209580, 212660, 216566, 232035, 244510, 293412, 309380, 318990, 324849, 342314, 366765, 433132, 464070, 489020, 513471, 541415, 637980, 649698, 684628, 733530, 757981, 855785, 928140, 1026942, 1082830, 1299396, 1467060, 1515962, 1624245, 1711570, 2053884, 2165660, 2273943, 2567355, 3031924, 3248490, 3423140, 3789905, 4547886, 5134710, 5305867, 6496980, 7579810, 9095772, 10269420, 10611734, 11369715, 15159620, 15917601, 21223468, 22739430, 26529335, 31835202, 45478860, 53058670, 63670404, 79588005, 106117340, 159176010, 318352020]

約数ペア:

[(1, 318352020), (2, 159176010), (3, 106117340), (4, 79588005), (5, 63670404), (6, 53058670), (7, 45478860), (10, 31835202), (12, 26529335), (14, 22739430), (15, 21223468), (20, 15917601), (21, 15159620), (28, 11369715), (30, 10611734), (31, 10269420), (35, 9095772), (42, 7579810), (49, 6496980), (60, 5305867), (62, 5134710), (70, 4547886), (84, 3789905), (93, 3423140), (98, 3248490), (105, 3031924), (124, 2567355), (140, 2273943), (147, 2165660), (155, 2053884), (186, 1711570), (196, 1624245), (210, 1515962), (217, 1467060), (245, 1299396), (294, 1082830), (310, 1026942), (343, 928140), (372, 855785), (420, 757981), (434, 733530), (465, 684628), (490, 649698), (499, 637980), (588, 541415), (620, 513471), (651, 489020), (686, 464070), (735, 433132), (868, 366765), (930, 342314), (980, 324849), (998, 318990), (1029, 309380), (1085, 293412), (1302, 244510), (1372, 232035), (1470, 216566), (1497, 212660), (1519, 209580), (1715, 185628), (1860, 171157), (1996, 159495), (2058, 154690), (2170, 146706), (2495, 127596), (2604, 122255), (2940, 108283), (2994, 106330), (3038, 104790), (3255, 97804), (3430, 92814), (3493, 91140), (4116, 77345), (4340, 73353), (4557, 69860), (4990, 63798), (5145, 61876), (5988, 53165), (6076, 52395), (6510, 48902), (6860, 46407), (6986, 45570), (7485, 42532), (7595, 41916), (9114, 34930), (9980, 31899), (10290, 30938), (10479, 30380), (10633, 29940), (13020, 24451), (13972, 22785), (14970, 21266), (15190, 20958), (15469, 20580), (17465, 18228)]