1405825680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:894

約数の個数: 240

約数和(自身を含む): 5106262464

約数和(自身を除く): 3700436784

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 173, 196, 210, 240, 245, 280, 294, 336, 346, 392, 420, 490, 519, 560, 588, 691, 692, 735, 784, 840, 865, 980, 1038, 1176, 1211, 1382, 1384, 1470, 1680, 1730, 1960, 2073, 2076, 2352, 2422, 2595, 2764, 2768, 2940, 3455, 3460, 3633, 3920, 4146, 4152, 4837, 4844, 5190, 5528, 5880, 6055, 6910, 6920, 7266, 8292, 8304, 8477, 9674, 9688, 10365, 10380, 11056, 11760, 12110, 13820, 13840, 14511, 14532, 16584, 16954, 18165, 19348, 19376, 20730, 20760, 24185, 24220, 25431, 27640, 29022, 29064, 33168, 33859, 33908, 36330, 38696, 41460, 41520, 42385, 48370, 48440, 50862, 55280, 58044, 58128, 67718, 67816, 72555, 72660, 77392, 82920, 84770, 96740, 96880, 101577, 101724, 116088, 119543, 127155, 135436, 135632, 145110, 145320, 165840, 169295, 169540, 193480, 203154, 203448, 232176, 239086, 254310, 270872, 290220, 290640, 338590, 339080, 358629, 386960, 406308, 406896, 478172, 507885, 508620, 541744, 580440, 597715, 677180, 678160, 717258, 812616, 836801, 956344, 1015770, 1017240, 1160880, 1195430, 1354360, 1434516, 1625232, 1673602, 1793145, 1912688, 2031540, 2034480, 2390860, 2510403, 2708720, 2869032, 3347204, 3586290, 4063080, 4184005, 4781720, 5020806, 5738064, 5857607, 6694408, 7172580, 8126160, 8368010, 9563440, 10041612, 11715214, 12552015, 13388816, 14345160, 16736020, 17572821, 20083224, 23430428, 25104030, 28690320, 29288035, 33472040, 35145642, 40166448, 46860856, 50208060, 58576070, 66944080, 70291284, 87864105, 93721712, 100416120, 117152140, 140582568, 175728210, 200832240, 234304280, 281165136, 351456420, 468608560, 702912840, 1405825680]

約数ペア:

[(1, 1405825680), (2, 702912840), (3, 468608560), (4, 351456420), (5, 281165136), (6, 234304280), (7, 200832240), (8, 175728210), (10, 140582568), (12, 117152140), (14, 100416120), (15, 93721712), (16, 87864105), (20, 70291284), (21, 66944080), (24, 58576070), (28, 50208060), (30, 46860856), (35, 40166448), (40, 35145642), (42, 33472040), (48, 29288035), (49, 28690320), (56, 25104030), (60, 23430428), (70, 20083224), (80, 17572821), (84, 16736020), (98, 14345160), (105, 13388816), (112, 12552015), (120, 11715214), (140, 10041612), (147, 9563440), (168, 8368010), (173, 8126160), (196, 7172580), (210, 6694408), (240, 5857607), (245, 5738064), (280, 5020806), (294, 4781720), (336, 4184005), (346, 4063080), (392, 3586290), (420, 3347204), (490, 2869032), (519, 2708720), (560, 2510403), (588, 2390860), (691, 2034480), (692, 2031540), (735, 1912688), (784, 1793145), (840, 1673602), (865, 1625232), (980, 1434516), (1038, 1354360), (1176, 1195430), (1211, 1160880), (1382, 1017240), (1384, 1015770), (1470, 956344), (1680, 836801), (1730, 812616), (1960, 717258), (2073, 678160), (2076, 677180), (2352, 597715), (2422, 580440), (2595, 541744), (2764, 508620), (2768, 507885), (2940, 478172), (3455, 406896), (3460, 406308), (3633, 386960), (3920, 358629), (4146, 339080), (4152, 338590), (4837, 290640), (4844, 290220), (5190, 270872), (5528, 254310), (5880, 239086), (6055, 232176), (6910, 203448), (6920, 203154), (7266, 193480), (8292, 169540), (8304, 169295), (8477, 165840), (9674, 145320), (9688, 145110), (10365, 135632), (10380, 135436), (11056, 127155), (11760, 119543), (12110, 116088), (13820, 101724), (13840, 101577), (14511, 96880), (14532, 96740), (16584, 84770), (16954, 82920), (18165, 77392), (19348, 72660), (19376, 72555), (20730, 67816), (20760, 67718), (24185, 58128), (24220, 58044), (25431, 55280), (27640, 50862), (29022, 48440), (29064, 48370), (33168, 42385), (33859, 41520), (33908, 41460), (36330, 38696)]