251485020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 192

約数和(自身を含む): 821882880

約数和(自身を除く): 570397860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 83, 90, 93, 108, 124, 135, 155, 166, 180, 181, 186, 249, 270, 279, 310, 332, 362, 372, 415, 465, 498, 540, 543, 558, 620, 724, 747, 830, 837, 905, 930, 996, 1086, 1116, 1245, 1395, 1494, 1629, 1660, 1674, 1810, 1860, 2172, 2241, 2490, 2573, 2715, 2790, 2988, 3258, 3348, 3620, 3735, 4185, 4482, 4887, 4980, 5146, 5430, 5580, 5611, 6516, 7470, 7719, 8145, 8370, 8964, 9774, 10292, 10860, 11205, 11222, 12865, 14940, 15023, 15438, 16290, 16740, 16833, 19548, 22410, 22444, 23157, 24435, 25730, 28055, 30046, 30876, 32580, 33666, 38595, 44820, 45069, 46314, 48870, 50499, 51460, 56110, 60092, 67332, 69471, 75115, 77190, 84165, 90138, 92628, 97740, 100998, 112220, 115785, 135207, 138942, 150230, 151497, 154380, 168330, 180276, 201996, 225345, 231570, 252495, 270414, 277884, 300460, 302994, 336660, 347355, 405621, 450690, 463140, 465713, 504990, 540828, 605988, 676035, 694710, 757485, 811242, 901380, 931426, 1009980, 1352070, 1389420, 1397139, 1514970, 1622484, 1862852, 2028105, 2328565, 2704140, 2794278, 3029940, 4056210, 4191417, 4657130, 5588556, 6985695, 8112420, 8382834, 9314260, 12574251, 13971390, 16765668, 20957085, 25148502, 27942780, 41914170, 50297004, 62871255, 83828340, 125742510, 251485020]

約数ペア:

[(1, 251485020), (2, 125742510), (3, 83828340), (4, 62871255), (5, 50297004), (6, 41914170), (9, 27942780), (10, 25148502), (12, 20957085), (15, 16765668), (18, 13971390), (20, 12574251), (27, 9314260), (30, 8382834), (31, 8112420), (36, 6985695), (45, 5588556), (54, 4657130), (60, 4191417), (62, 4056210), (83, 3029940), (90, 2794278), (93, 2704140), (108, 2328565), (124, 2028105), (135, 1862852), (155, 1622484), (166, 1514970), (180, 1397139), (181, 1389420), (186, 1352070), (249, 1009980), (270, 931426), (279, 901380), (310, 811242), (332, 757485), (362, 694710), (372, 676035), (415, 605988), (465, 540828), (498, 504990), (540, 465713), (543, 463140), (558, 450690), (620, 405621), (724, 347355), (747, 336660), (830, 302994), (837, 300460), (905, 277884), (930, 270414), (996, 252495), (1086, 231570), (1116, 225345), (1245, 201996), (1395, 180276), (1494, 168330), (1629, 154380), (1660, 151497), (1674, 150230), (1810, 138942), (1860, 135207), (2172, 115785), (2241, 112220), (2490, 100998), (2573, 97740), (2715, 92628), (2790, 90138), (2988, 84165), (3258, 77190), (3348, 75115), (3620, 69471), (3735, 67332), (4185, 60092), (4482, 56110), (4887, 51460), (4980, 50499), (5146, 48870), (5430, 46314), (5580, 45069), (5611, 44820), (6516, 38595), (7470, 33666), (7719, 32580), (8145, 30876), (8370, 30046), (8964, 28055), (9774, 25730), (10292, 24435), (10860, 23157), (11205, 22444), (11222, 22410), (12865, 19548), (14940, 16833), (15023, 16740), (15438, 16290)]