80681328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 285981696

約数和(自身を除く): 205300368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 47, 48, 52, 56, 63, 72, 78, 84, 91, 94, 104, 112, 117, 126, 131, 141, 144, 156, 168, 182, 188, 208, 234, 252, 262, 273, 282, 312, 329, 336, 364, 376, 393, 423, 468, 504, 524, 546, 564, 611, 624, 658, 728, 752, 786, 819, 846, 917, 936, 987, 1008, 1048, 1092, 1128, 1179, 1222, 1316, 1456, 1572, 1638, 1692, 1703, 1833, 1834, 1872, 1974, 2096, 2184, 2256, 2358, 2444, 2632, 2751, 2961, 3144, 3276, 3384, 3406, 3666, 3668, 3948, 4277, 4368, 4716, 4888, 5109, 5264, 5499, 5502, 5922, 6157, 6288, 6552, 6768, 6812, 7332, 7336, 7896, 8253, 8554, 9432, 9776, 10218, 10998, 11004, 11844, 11921, 12314, 12831, 13104, 13624, 14664, 14672, 15327, 15792, 16506, 17108, 18471, 18864, 20436, 21996, 22008, 23688, 23842, 24628, 25662, 27248, 29328, 30654, 33012, 34216, 35763, 36942, 38493, 40872, 43099, 43992, 44016, 47376, 47684, 49256, 51324, 55413, 61308, 66024, 68432, 71526, 73884, 76986, 80041, 81744, 86198, 87984, 95368, 98512, 102648, 107289, 110826, 122616, 129297, 132048, 143052, 147768, 153972, 160082, 172396, 190736, 205296, 214578, 221652, 240123, 245232, 258594, 286104, 295536, 307944, 320164, 344792, 387891, 429156, 443304, 480246, 517188, 560287, 572208, 615888, 640328, 689584, 720369, 775782, 858312, 886608, 960492, 1034376, 1120574, 1280656, 1440738, 1551564, 1680861, 1716624, 1920984, 2068752, 2241148, 2881476, 3103128, 3361722, 3841968, 4482296, 5042583, 5762952, 6206256, 6723444, 8964592, 10085166, 11525904, 13446888, 20170332, 26893776, 40340664, 80681328]

約数ペア:

[(1, 80681328), (2, 40340664), (3, 26893776), (4, 20170332), (6, 13446888), (7, 11525904), (8, 10085166), (9, 8964592), (12, 6723444), (13, 6206256), (14, 5762952), (16, 5042583), (18, 4482296), (21, 3841968), (24, 3361722), (26, 3103128), (28, 2881476), (36, 2241148), (39, 2068752), (42, 1920984), (47, 1716624), (48, 1680861), (52, 1551564), (56, 1440738), (63, 1280656), (72, 1120574), (78, 1034376), (84, 960492), (91, 886608), (94, 858312), (104, 775782), (112, 720369), (117, 689584), (126, 640328), (131, 615888), (141, 572208), (144, 560287), (156, 517188), (168, 480246), (182, 443304), (188, 429156), (208, 387891), (234, 344792), (252, 320164), (262, 307944), (273, 295536), (282, 286104), (312, 258594), (329, 245232), (336, 240123), (364, 221652), (376, 214578), (393, 205296), (423, 190736), (468, 172396), (504, 160082), (524, 153972), (546, 147768), (564, 143052), (611, 132048), (624, 129297), (658, 122616), (728, 110826), (752, 107289), (786, 102648), (819, 98512), (846, 95368), (917, 87984), (936, 86198), (987, 81744), (1008, 80041), (1048, 76986), (1092, 73884), (1128, 71526), (1179, 68432), (1222, 66024), (1316, 61308), (1456, 55413), (1572, 51324), (1638, 49256), (1692, 47684), (1703, 47376), (1833, 44016), (1834, 43992), (1872, 43099), (1974, 40872), (2096, 38493), (2184, 36942), (2256, 35763), (2358, 34216), (2444, 33012), (2632, 30654), (2751, 29328), (2961, 27248), (3144, 25662), (3276, 24628), (3384, 23842), (3406, 23688), (3666, 22008), (3668, 21996), (3948, 20436), (4277, 18864), (4368, 18471), (4716, 17108), (4888, 16506), (5109, 15792), (5264, 15327), (5499, 14672), (5502, 14664), (5922, 13624), (6157, 13104), (6288, 12831), (6552, 12314), (6768, 11921), (6812, 11844), (7332, 11004), (7336, 10998), (7896, 10218), (8253, 9776), (8554, 9432)]