2187175040

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 5346432000

約数和(自身を除く): 3159256960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 181, 239, 316, 320, 362, 395, 478, 632, 640, 724, 790, 905, 956, 1195, 1264, 1448, 1580, 1810, 1912, 2390, 2528, 2896, 3160, 3620, 3824, 4780, 5056, 5792, 6320, 7240, 7648, 9560, 10112, 11584, 12640, 14299, 14480, 15296, 18881, 19120, 23168, 25280, 28598, 28960, 30592, 37762, 38240, 43259, 50560, 57196, 57920, 71495, 75524, 76480, 86518, 94405, 114392, 115840, 142990, 151048, 152960, 173036, 188810, 216295, 228784, 285980, 302096, 346072, 377620, 432590, 457568, 571960, 604192, 692144, 755240, 865180, 915136, 1143920, 1208384, 1384288, 1510480, 1730360, 1830272, 2287840, 2416768, 2768576, 3020960, 3417461, 3460720, 4575680, 5537152, 6041920, 6834922, 6921440, 9151360, 12083840, 13669844, 13842880, 17087305, 27339688, 27685760, 34174610, 54679376, 68349220, 109358752, 136698440, 218717504, 273396880, 437435008, 546793760, 1093587520, 2187175040]

約数ペア:

[(1, 2187175040), (2, 1093587520), (4, 546793760), (5, 437435008), (8, 273396880), (10, 218717504), (16, 136698440), (20, 109358752), (32, 68349220), (40, 54679376), (64, 34174610), (79, 27685760), (80, 27339688), (128, 17087305), (158, 13842880), (160, 13669844), (181, 12083840), (239, 9151360), (316, 6921440), (320, 6834922), (362, 6041920), (395, 5537152), (478, 4575680), (632, 3460720), (640, 3417461), (724, 3020960), (790, 2768576), (905, 2416768), (956, 2287840), (1195, 1830272), (1264, 1730360), (1448, 1510480), (1580, 1384288), (1810, 1208384), (1912, 1143920), (2390, 915136), (2528, 865180), (2896, 755240), (3160, 692144), (3620, 604192), (3824, 571960), (4780, 457568), (5056, 432590), (5792, 377620), (6320, 346072), (7240, 302096), (7648, 285980), (9560, 228784), (10112, 216295), (11584, 188810), (12640, 173036), (14299, 152960), (14480, 151048), (15296, 142990), (18881, 115840), (19120, 114392), (23168, 94405), (25280, 86518), (28598, 76480), (28960, 75524), (30592, 71495), (37762, 57920), (38240, 57196), (43259, 50560)]