78504720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:669

約数の個数: 160

約数和(自身を含む): 281981952

約数和(自身を除く): 203477232

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, 83, 84, 105, 112, 120, 140, 166, 168, 210, 240, 249, 280, 332, 336, 415, 420, 498, 560, 563, 581, 664, 830, 840, 996, 1126, 1162, 1245, 1328, 1660, 1680, 1689, 1743, 1992, 2252, 2324, 2490, 2815, 2905, 3320, 3378, 3486, 3941, 3984, 4504, 4648, 4980, 5630, 5810, 6640, 6756, 6972, 7882, 8445, 8715, 9008, 9296, 9960, 11260, 11620, 11823, 13512, 13944, 15764, 16890, 17430, 19705, 19920, 22520, 23240, 23646, 27024, 27888, 31528, 33780, 34860, 39410, 45040, 46480, 46729, 47292, 59115, 63056, 67560, 69720, 78820, 93458, 94584, 118230, 135120, 139440, 140187, 157640, 186916, 189168, 233645, 236460, 280374, 315280, 327103, 373832, 467290, 472920, 560748, 654206, 700935, 747664, 934580, 945840, 981309, 1121496, 1308412, 1401870, 1635515, 1869160, 1962618, 2242992, 2616824, 2803740, 3271030, 3738320, 3925236, 4906545, 5233648, 5607480, 6542060, 7850472, 9813090, 11214960, 13084120, 15700944, 19626180, 26168240, 39252360, 78504720]

約数ペア:

[(1, 78504720), (2, 39252360), (3, 26168240), (4, 19626180), (5, 15700944), (6, 13084120), (7, 11214960), (8, 9813090), (10, 7850472), (12, 6542060), (14, 5607480), (15, 5233648), (16, 4906545), (20, 3925236), (21, 3738320), (24, 3271030), (28, 2803740), (30, 2616824), (35, 2242992), (40, 1962618), (42, 1869160), (48, 1635515), (56, 1401870), (60, 1308412), (70, 1121496), (80, 981309), (83, 945840), (84, 934580), (105, 747664), (112, 700935), (120, 654206), (140, 560748), (166, 472920), (168, 467290), (210, 373832), (240, 327103), (249, 315280), (280, 280374), (332, 236460), (336, 233645), (415, 189168), (420, 186916), (498, 157640), (560, 140187), (563, 139440), (581, 135120), (664, 118230), (830, 94584), (840, 93458), (996, 78820), (1126, 69720), (1162, 67560), (1245, 63056), (1328, 59115), (1660, 47292), (1680, 46729), (1689, 46480), (1743, 45040), (1992, 39410), (2252, 34860), (2324, 33780), (2490, 31528), (2815, 27888), (2905, 27024), (3320, 23646), (3378, 23240), (3486, 22520), (3941, 19920), (3984, 19705), (4504, 17430), (4648, 16890), (4980, 15764), (5630, 13944), (5810, 13512), (6640, 11823), (6756, 11620), (6972, 11260), (7882, 9960), (8445, 9296), (8715, 9008)]