1813168920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{811}}^1$

素因数の和:1457

約数の個数: 128

約数和(自身を含む): 5631252480

約数和(自身を除く): 3818083560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 601, 620, 744, 811, 930, 1202, 1240, 1622, 1803, 1860, 2404, 2433, 3005, 3244, 3606, 3720, 4055, 4808, 4866, 6010, 6488, 7212, 8110, 9015, 9732, 12020, 12165, 14424, 16220, 18030, 18631, 19464, 24040, 24330, 25141, 32440, 36060, 37262, 48660, 50282, 55893, 72120, 74524, 75423, 93155, 97320, 100564, 111786, 125705, 149048, 150846, 186310, 201128, 223572, 251410, 279465, 301692, 372620, 377115, 447144, 487411, 502820, 558930, 603384, 745240, 754230, 974822, 1005640, 1117860, 1462233, 1508460, 1949644, 2235720, 2437055, 2924466, 3016920, 3899288, 4874110, 5848932, 7311165, 9748220, 11697864, 14622330, 15109741, 19496440, 29244660, 30219482, 45329223, 58489320, 60438964, 75548705, 90658446, 120877928, 151097410, 181316892, 226646115, 302194820, 362633784, 453292230, 604389640, 906584460, 1813168920]

約数ペア:

[(1, 1813168920), (2, 906584460), (3, 604389640), (4, 453292230), (5, 362633784), (6, 302194820), (8, 226646115), (10, 181316892), (12, 151097410), (15, 120877928), (20, 90658446), (24, 75548705), (30, 60438964), (31, 58489320), (40, 45329223), (60, 30219482), (62, 29244660), (93, 19496440), (120, 15109741), (124, 14622330), (155, 11697864), (186, 9748220), (248, 7311165), (310, 5848932), (372, 4874110), (465, 3899288), (601, 3016920), (620, 2924466), (744, 2437055), (811, 2235720), (930, 1949644), (1202, 1508460), (1240, 1462233), (1622, 1117860), (1803, 1005640), (1860, 974822), (2404, 754230), (2433, 745240), (3005, 603384), (3244, 558930), (3606, 502820), (3720, 487411), (4055, 447144), (4808, 377115), (4866, 372620), (6010, 301692), (6488, 279465), (7212, 251410), (8110, 223572), (9015, 201128), (9732, 186310), (12020, 150846), (12165, 149048), (14424, 125705), (16220, 111786), (18030, 100564), (18631, 97320), (19464, 93155), (24040, 75423), (24330, 74524), (25141, 72120), (32440, 55893), (36060, 50282), (37262, 48660)]