80384080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 225735552

約数和(自身を除く): 145351472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 79, 80, 92, 112, 115, 140, 158, 161, 184, 230, 280, 316, 322, 368, 395, 460, 553, 560, 632, 644, 790, 805, 920, 1106, 1264, 1288, 1580, 1610, 1817, 1840, 2212, 2576, 2765, 3160, 3220, 3634, 4424, 5530, 6241, 6320, 6440, 7268, 8848, 9085, 11060, 12482, 12719, 12880, 14536, 18170, 22120, 24964, 25438, 29072, 31205, 36340, 43687, 44240, 49928, 50876, 62410, 63595, 72680, 87374, 99856, 101752, 124820, 127190, 143543, 145360, 174748, 203504, 218435, 249640, 254380, 287086, 349496, 436870, 499280, 508760, 574172, 698992, 717715, 873740, 1004801, 1017520, 1148344, 1435430, 1747480, 2009602, 2296688, 2870860, 3494960, 4019204, 5024005, 5741720, 8038408, 10048010, 11483440, 16076816, 20096020, 40192040, 80384080]

約数ペア:

[(1, 80384080), (2, 40192040), (4, 20096020), (5, 16076816), (7, 11483440), (8, 10048010), (10, 8038408), (14, 5741720), (16, 5024005), (20, 4019204), (23, 3494960), (28, 2870860), (35, 2296688), (40, 2009602), (46, 1747480), (56, 1435430), (70, 1148344), (79, 1017520), (80, 1004801), (92, 873740), (112, 717715), (115, 698992), (140, 574172), (158, 508760), (161, 499280), (184, 436870), (230, 349496), (280, 287086), (316, 254380), (322, 249640), (368, 218435), (395, 203504), (460, 174748), (553, 145360), (560, 143543), (632, 127190), (644, 124820), (790, 101752), (805, 99856), (920, 87374), (1106, 72680), (1264, 63595), (1288, 62410), (1580, 50876), (1610, 49928), (1817, 44240), (1840, 43687), (2212, 36340), (2576, 31205), (2765, 29072), (3160, 25438), (3220, 24964), (3634, 22120), (4424, 18170), (5530, 14536), (6241, 12880), (6320, 12719), (6440, 12482), (7268, 11060), (8848, 9085)]