65816280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 221400000

約数和(自身を除く): 155583720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 149, 180, 216, 270, 298, 360, 409, 447, 540, 596, 745, 818, 894, 1080, 1192, 1227, 1341, 1490, 1636, 1788, 2045, 2235, 2454, 2682, 2980, 3272, 3576, 3681, 4023, 4090, 4470, 4908, 5364, 5960, 6135, 6705, 7362, 8046, 8180, 8940, 9816, 10728, 11043, 12270, 13410, 14724, 16092, 16360, 17880, 18405, 20115, 22086, 24540, 26820, 29448, 32184, 36810, 40230, 44172, 49080, 53640, 55215, 60941, 73620, 80460, 88344, 110430, 121882, 147240, 160920, 182823, 220860, 243764, 304705, 365646, 441720, 487528, 548469, 609410, 731292, 914115, 1096938, 1218820, 1462584, 1645407, 1828230, 2193876, 2437640, 2742345, 3290814, 3656460, 4387752, 5484690, 6581628, 7312920, 8227035, 10969380, 13163256, 16454070, 21938760, 32908140, 65816280]

約数ペア:

[(1, 65816280), (2, 32908140), (3, 21938760), (4, 16454070), (5, 13163256), (6, 10969380), (8, 8227035), (9, 7312920), (10, 6581628), (12, 5484690), (15, 4387752), (18, 3656460), (20, 3290814), (24, 2742345), (27, 2437640), (30, 2193876), (36, 1828230), (40, 1645407), (45, 1462584), (54, 1218820), (60, 1096938), (72, 914115), (90, 731292), (108, 609410), (120, 548469), (135, 487528), (149, 441720), (180, 365646), (216, 304705), (270, 243764), (298, 220860), (360, 182823), (409, 160920), (447, 147240), (540, 121882), (596, 110430), (745, 88344), (818, 80460), (894, 73620), (1080, 60941), (1192, 55215), (1227, 53640), (1341, 49080), (1490, 44172), (1636, 40230), (1788, 36810), (2045, 32184), (2235, 29448), (2454, 26820), (2682, 24540), (2980, 22086), (3272, 20115), (3576, 18405), (3681, 17880), (4023, 16360), (4090, 16092), (4470, 14724), (4908, 13410), (5364, 12270), (5960, 11043), (6135, 10728), (6705, 9816), (7362, 8940), (8046, 8180)]