80651760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:871

約数の個数: 160

約数和(自身を含む): 290790912

約数和(自身を除く): 210139152

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, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 787, 840, 854, 915, 976, 1220, 1281, 1464, 1574, 1680, 1708, 1830, 2135, 2361, 2440, 2562, 2928, 3148, 3416, 3660, 3935, 4270, 4722, 4880, 5124, 5509, 6296, 6405, 6832, 7320, 7870, 8540, 9444, 10248, 11018, 11805, 12592, 12810, 14640, 15740, 16527, 17080, 18888, 20496, 22036, 23610, 25620, 27545, 31480, 33054, 34160, 37776, 44072, 47220, 48007, 51240, 55090, 62960, 66108, 82635, 88144, 94440, 96014, 102480, 110180, 132216, 144021, 165270, 188880, 192028, 220360, 240035, 264432, 288042, 330540, 336049, 384056, 440720, 480070, 576084, 661080, 672098, 720105, 768112, 960140, 1008147, 1152168, 1322160, 1344196, 1440210, 1680245, 1920280, 2016294, 2304336, 2688392, 2880420, 3360490, 3840560, 4032588, 5040735, 5376784, 5760840, 6720980, 8065176, 10081470, 11521680, 13441960, 16130352, 20162940, 26883920, 40325880, 80651760]

約数ペア:

[(1, 80651760), (2, 40325880), (3, 26883920), (4, 20162940), (5, 16130352), (6, 13441960), (7, 11521680), (8, 10081470), (10, 8065176), (12, 6720980), (14, 5760840), (15, 5376784), (16, 5040735), (20, 4032588), (21, 3840560), (24, 3360490), (28, 2880420), (30, 2688392), (35, 2304336), (40, 2016294), (42, 1920280), (48, 1680245), (56, 1440210), (60, 1344196), (61, 1322160), (70, 1152168), (80, 1008147), (84, 960140), (105, 768112), (112, 720105), (120, 672098), (122, 661080), (140, 576084), (168, 480070), (183, 440720), (210, 384056), (240, 336049), (244, 330540), (280, 288042), (305, 264432), (336, 240035), (366, 220360), (420, 192028), (427, 188880), (488, 165270), (560, 144021), (610, 132216), (732, 110180), (787, 102480), (840, 96014), (854, 94440), (915, 88144), (976, 82635), (1220, 66108), (1281, 62960), (1464, 55090), (1574, 51240), (1680, 48007), (1708, 47220), (1830, 44072), (2135, 37776), (2361, 34160), (2440, 33054), (2562, 31480), (2928, 27545), (3148, 25620), (3416, 23610), (3660, 22036), (3935, 20496), (4270, 18888), (4722, 17080), (4880, 16527), (5124, 15740), (5509, 14640), (6296, 12810), (6405, 12592), (6832, 11805), (7320, 11018), (7870, 10248), (8540, 9444)]