79887080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1339

約数の個数: 128

約数和(自身を含む): 234420480

約数和(自身を除く): 154533400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1291, 1547, 1768, 1820, 2210, 2380, 2582, 3094, 3640, 4420, 4760, 5164, 6188, 6455, 7735, 8840, 9037, 10328, 12376, 12910, 15470, 16783, 18074, 21947, 25820, 30940, 33566, 36148, 43894, 45185, 51640, 61880, 67132, 72296, 83915, 87788, 90370, 109735, 117481, 134264, 153629, 167830, 175576, 180740, 219470, 234962, 285311, 307258, 335660, 361480, 438940, 469924, 570622, 587405, 614516, 671320, 768145, 877880, 939848, 1141244, 1174810, 1229032, 1426555, 1536290, 1997177, 2282488, 2349620, 2853110, 3072580, 3994354, 4699240, 5706220, 6145160, 7988708, 9985885, 11412440, 15977416, 19971770, 39943540, 79887080]

約数ペア:

[(1, 79887080), (2, 39943540), (4, 19971770), (5, 15977416), (7, 11412440), (8, 9985885), (10, 7988708), (13, 6145160), (14, 5706220), (17, 4699240), (20, 3994354), (26, 3072580), (28, 2853110), (34, 2349620), (35, 2282488), (40, 1997177), (52, 1536290), (56, 1426555), (65, 1229032), (68, 1174810), (70, 1141244), (85, 939848), (91, 877880), (104, 768145), (119, 671320), (130, 614516), (136, 587405), (140, 570622), (170, 469924), (182, 438940), (221, 361480), (238, 335660), (260, 307258), (280, 285311), (340, 234962), (364, 219470), (442, 180740), (455, 175576), (476, 167830), (520, 153629), (595, 134264), (680, 117481), (728, 109735), (884, 90370), (910, 87788), (952, 83915), (1105, 72296), (1190, 67132), (1291, 61880), (1547, 51640), (1768, 45185), (1820, 43894), (2210, 36148), (2380, 33566), (2582, 30940), (3094, 25820), (3640, 21947), (4420, 18074), (4760, 16783), (5164, 15470), (6188, 12910), (6455, 12376), (7735, 10328), (8840, 9037)]