808080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 160

約数和(自身を含む): 3166464

約数和(自身を除く): 2358384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 48, 52, 56, 60, 65, 70, 74, 78, 80, 84, 91, 104, 105, 111, 112, 120, 130, 140, 148, 156, 168, 182, 185, 195, 208, 210, 222, 240, 259, 260, 273, 280, 296, 312, 336, 364, 370, 390, 420, 444, 455, 481, 518, 520, 546, 555, 560, 592, 624, 728, 740, 777, 780, 840, 888, 910, 962, 1036, 1040, 1092, 1110, 1295, 1365, 1443, 1456, 1480, 1554, 1560, 1680, 1776, 1820, 1924, 2072, 2184, 2220, 2405, 2590, 2730, 2886, 2960, 3108, 3120, 3367, 3640, 3848, 3885, 4144, 4368, 4440, 4810, 5180, 5460, 5772, 6216, 6734, 7215, 7280, 7696, 7770, 8880, 9620, 10101, 10360, 10920, 11544, 12432, 13468, 14430, 15540, 16835, 19240, 20202, 20720, 21840, 23088, 26936, 28860, 31080, 33670, 38480, 40404, 50505, 53872, 57720, 62160, 67340, 80808, 101010, 115440, 134680, 161616, 202020, 269360, 404040, 808080]

約数ペア:

[(1, 808080), (2, 404040), (3, 269360), (4, 202020), (5, 161616), (6, 134680), (7, 115440), (8, 101010), (10, 80808), (12, 67340), (13, 62160), (14, 57720), (15, 53872), (16, 50505), (20, 40404), (21, 38480), (24, 33670), (26, 31080), (28, 28860), (30, 26936), (35, 23088), (37, 21840), (39, 20720), (40, 20202), (42, 19240), (48, 16835), (52, 15540), (56, 14430), (60, 13468), (65, 12432), (70, 11544), (74, 10920), (78, 10360), (80, 10101), (84, 9620), (91, 8880), (104, 7770), (105, 7696), (111, 7280), (112, 7215), (120, 6734), (130, 6216), (140, 5772), (148, 5460), (156, 5180), (168, 4810), (182, 4440), (185, 4368), (195, 4144), (208, 3885), (210, 3848), (222, 3640), (240, 3367), (259, 3120), (260, 3108), (273, 2960), (280, 2886), (296, 2730), (312, 2590), (336, 2405), (364, 2220), (370, 2184), (390, 2072), (420, 1924), (444, 1820), (455, 1776), (481, 1680), (518, 1560), (520, 1554), (546, 1480), (555, 1456), (560, 1443), (592, 1365), (624, 1295), (728, 1110), (740, 1092), (777, 1040), (780, 1036), (840, 962), (888, 910)]