265404720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:923

約数の個数: 160

約数和(自身を含む): 945653760

約数和(自身を除く): 680249040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 239, 240, 280, 336, 420, 478, 560, 661, 717, 840, 956, 1195, 1322, 1434, 1673, 1680, 1912, 1983, 2390, 2644, 2868, 3305, 3346, 3585, 3824, 3966, 4627, 4780, 5019, 5288, 5736, 6610, 6692, 7170, 7932, 8365, 9254, 9560, 9915, 10038, 10576, 11472, 13220, 13384, 13881, 14340, 15864, 16730, 18508, 19120, 19830, 20076, 23135, 25095, 26440, 26768, 27762, 28680, 31728, 33460, 37016, 39660, 40152, 46270, 50190, 52880, 55524, 57360, 66920, 69405, 74032, 79320, 80304, 92540, 100380, 111048, 133840, 138810, 157979, 158640, 185080, 200760, 222096, 277620, 315958, 370160, 401520, 473937, 555240, 631916, 789895, 947874, 1105853, 1110480, 1263832, 1579790, 1895748, 2211706, 2369685, 2527664, 3159580, 3317559, 3791496, 4423412, 4739370, 5529265, 6319160, 6635118, 7582992, 8846824, 9478740, 11058530, 12638320, 13270236, 16587795, 17693648, 18957480, 22117060, 26540472, 33175590, 37914960, 44234120, 53080944, 66351180, 88468240, 132702360, 265404720]

約数ペア:

[(1, 265404720), (2, 132702360), (3, 88468240), (4, 66351180), (5, 53080944), (6, 44234120), (7, 37914960), (8, 33175590), (10, 26540472), (12, 22117060), (14, 18957480), (15, 17693648), (16, 16587795), (20, 13270236), (21, 12638320), (24, 11058530), (28, 9478740), (30, 8846824), (35, 7582992), (40, 6635118), (42, 6319160), (48, 5529265), (56, 4739370), (60, 4423412), (70, 3791496), (80, 3317559), (84, 3159580), (105, 2527664), (112, 2369685), (120, 2211706), (140, 1895748), (168, 1579790), (210, 1263832), (239, 1110480), (240, 1105853), (280, 947874), (336, 789895), (420, 631916), (478, 555240), (560, 473937), (661, 401520), (717, 370160), (840, 315958), (956, 277620), (1195, 222096), (1322, 200760), (1434, 185080), (1673, 158640), (1680, 157979), (1912, 138810), (1983, 133840), (2390, 111048), (2644, 100380), (2868, 92540), (3305, 80304), (3346, 79320), (3585, 74032), (3824, 69405), (3966, 66920), (4627, 57360), (4780, 55524), (5019, 52880), (5288, 50190), (5736, 46270), (6610, 40152), (6692, 39660), (7170, 37016), (7932, 33460), (8365, 31728), (9254, 28680), (9560, 27762), (9915, 26768), (10038, 26440), (10576, 25095), (11472, 23135), (13220, 20076), (13384, 19830), (13881, 19120), (14340, 18508), (15864, 16730)]