213711680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 224

約数和(自身を含む): 645200640

約数和(自身を除く): 431488960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 52, 56, 64, 65, 70, 80, 82, 91, 104, 112, 130, 140, 160, 164, 179, 182, 205, 208, 224, 260, 280, 287, 320, 328, 358, 364, 410, 416, 448, 455, 520, 533, 560, 574, 656, 716, 728, 820, 832, 895, 910, 1040, 1066, 1120, 1148, 1253, 1312, 1432, 1435, 1456, 1640, 1790, 1820, 2080, 2132, 2240, 2296, 2327, 2506, 2624, 2665, 2864, 2870, 2912, 3280, 3580, 3640, 3731, 4160, 4264, 4592, 4654, 5012, 5330, 5728, 5740, 5824, 6265, 6560, 7160, 7280, 7339, 7462, 8528, 9184, 9308, 10024, 10660, 11456, 11480, 11635, 12530, 13120, 14320, 14560, 14678, 14924, 16289, 17056, 18368, 18616, 18655, 20048, 21320, 22960, 23270, 25060, 28640, 29120, 29356, 29848, 32578, 34112, 36695, 37232, 37310, 40096, 42640, 45920, 46540, 50120, 51373, 57280, 58712, 59696, 65156, 73390, 74464, 74620, 80192, 81445, 85280, 91840, 93080, 95407, 100240, 102746, 117424, 119392, 130312, 146780, 148928, 149240, 162890, 170560, 186160, 190814, 200480, 205492, 234848, 238784, 256865, 260624, 293560, 298480, 325780, 372320, 381628, 400960, 410984, 469696, 477035, 513730, 521248, 587120, 596960, 651560, 667849, 744640, 763256, 821968, 954070, 1027460, 1042496, 1174240, 1193920, 1303120, 1335698, 1526512, 1643936, 1908140, 2054920, 2348480, 2606240, 2671396, 3053024, 3287872, 3339245, 3816280, 4109840, 5212480, 5342792, 6106048, 6678490, 7632560, 8219680, 10685584, 13356980, 15265120, 16439360, 21371168, 26713960, 30530240, 42742336, 53427920, 106855840, 213711680]

約数ペア:

[(1, 213711680), (2, 106855840), (4, 53427920), (5, 42742336), (7, 30530240), (8, 26713960), (10, 21371168), (13, 16439360), (14, 15265120), (16, 13356980), (20, 10685584), (26, 8219680), (28, 7632560), (32, 6678490), (35, 6106048), (40, 5342792), (41, 5212480), (52, 4109840), (56, 3816280), (64, 3339245), (65, 3287872), (70, 3053024), (80, 2671396), (82, 2606240), (91, 2348480), (104, 2054920), (112, 1908140), (130, 1643936), (140, 1526512), (160, 1335698), (164, 1303120), (179, 1193920), (182, 1174240), (205, 1042496), (208, 1027460), (224, 954070), (260, 821968), (280, 763256), (287, 744640), (320, 667849), (328, 651560), (358, 596960), (364, 587120), (410, 521248), (416, 513730), (448, 477035), (455, 469696), (520, 410984), (533, 400960), (560, 381628), (574, 372320), (656, 325780), (716, 298480), (728, 293560), (820, 260624), (832, 256865), (895, 238784), (910, 234848), (1040, 205492), (1066, 200480), (1120, 190814), (1148, 186160), (1253, 170560), (1312, 162890), (1432, 149240), (1435, 148928), (1456, 146780), (1640, 130312), (1790, 119392), (1820, 117424), (2080, 102746), (2132, 100240), (2240, 95407), (2296, 93080), (2327, 91840), (2506, 85280), (2624, 81445), (2665, 80192), (2864, 74620), (2870, 74464), (2912, 73390), (3280, 65156), (3580, 59696), (3640, 58712), (3731, 57280), (4160, 51373), (4264, 50120), (4592, 46540), (4654, 45920), (5012, 42640), (5330, 40096), (5728, 37310), (5740, 37232), (5824, 36695), (6265, 34112), (6560, 32578), (7160, 29848), (7280, 29356), (7339, 29120), (7462, 28640), (8528, 25060), (9184, 23270), (9308, 22960), (10024, 21320), (10660, 20048), (11456, 18655), (11480, 18616), (11635, 18368), (12530, 17056), (13120, 16289), (14320, 14924), (14560, 14678)]