856543020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3313}}^1$

素因数の和:3495

約数の個数: 96

約数和(自身を含む): 2494248960

約数和(自身を除く): 1637705940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 139, 155, 186, 278, 310, 372, 417, 465, 556, 620, 695, 834, 930, 1390, 1668, 1860, 2085, 2780, 3313, 4170, 4309, 6626, 8340, 8618, 9939, 12927, 13252, 16565, 17236, 19878, 21545, 25854, 33130, 39756, 43090, 49695, 51708, 64635, 66260, 86180, 99390, 102703, 129270, 198780, 205406, 258540, 308109, 410812, 460507, 513515, 616218, 921014, 1027030, 1232436, 1381521, 1540545, 1842028, 2054060, 2302535, 2763042, 3081090, 4605070, 5526084, 6162180, 6907605, 9210140, 13815210, 14275717, 27630420, 28551434, 42827151, 57102868, 71378585, 85654302, 142757170, 171308604, 214135755, 285514340, 428271510, 856543020]

約数ペア:

[(1, 856543020), (2, 428271510), (3, 285514340), (4, 214135755), (5, 171308604), (6, 142757170), (10, 85654302), (12, 71378585), (15, 57102868), (20, 42827151), (30, 28551434), (31, 27630420), (60, 14275717), (62, 13815210), (93, 9210140), (124, 6907605), (139, 6162180), (155, 5526084), (186, 4605070), (278, 3081090), (310, 2763042), (372, 2302535), (417, 2054060), (465, 1842028), (556, 1540545), (620, 1381521), (695, 1232436), (834, 1027030), (930, 921014), (1390, 616218), (1668, 513515), (1860, 460507), (2085, 410812), (2780, 308109), (3313, 258540), (4170, 205406), (4309, 198780), (6626, 129270), (8340, 102703), (8618, 99390), (9939, 86180), (12927, 66260), (13252, 64635), (16565, 51708), (17236, 49695), (19878, 43090), (21545, 39756), (25854, 33130)]