128242020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 405780480

約数和(自身を除く): 277538460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 67, 69, 73, 76, 92, 95, 114, 115, 134, 138, 146, 190, 201, 219, 228, 230, 268, 276, 285, 292, 335, 345, 365, 380, 402, 437, 438, 460, 570, 670, 690, 730, 804, 874, 876, 1005, 1095, 1140, 1273, 1311, 1340, 1380, 1387, 1460, 1541, 1679, 1748, 2010, 2185, 2190, 2546, 2622, 2774, 3082, 3358, 3819, 4020, 4161, 4370, 4380, 4623, 4891, 5037, 5092, 5244, 5548, 6164, 6365, 6555, 6716, 6935, 7638, 7705, 8322, 8395, 8740, 9246, 9782, 10074, 12730, 13110, 13870, 14673, 15276, 15410, 16644, 16790, 18492, 19095, 19564, 20148, 20805, 23115, 24455, 25185, 25460, 26220, 27740, 29279, 29346, 30820, 31901, 33580, 38190, 41610, 46230, 48910, 50370, 58558, 58692, 63802, 73365, 76380, 83220, 87837, 92460, 92929, 95703, 97820, 100740, 112493, 117116, 127604, 146395, 146730, 159505, 175674, 185858, 191406, 224986, 278787, 292790, 293460, 319010, 337479, 351348, 371716, 382812, 439185, 449972, 464645, 478515, 557574, 562465, 585580, 638020, 674958, 878370, 929290, 957030, 1115148, 1124930, 1349916, 1393935, 1687395, 1756740, 1858580, 1914060, 2137367, 2249860, 2787870, 3374790, 4274734, 5575740, 6412101, 6749580, 8549468, 10686835, 12824202, 21373670, 25648404, 32060505, 42747340, 64121010, 128242020]

約数ペア:

[(1, 128242020), (2, 64121010), (3, 42747340), (4, 32060505), (5, 25648404), (6, 21373670), (10, 12824202), (12, 10686835), (15, 8549468), (19, 6749580), (20, 6412101), (23, 5575740), (30, 4274734), (38, 3374790), (46, 2787870), (57, 2249860), (60, 2137367), (67, 1914060), (69, 1858580), (73, 1756740), (76, 1687395), (92, 1393935), (95, 1349916), (114, 1124930), (115, 1115148), (134, 957030), (138, 929290), (146, 878370), (190, 674958), (201, 638020), (219, 585580), (228, 562465), (230, 557574), (268, 478515), (276, 464645), (285, 449972), (292, 439185), (335, 382812), (345, 371716), (365, 351348), (380, 337479), (402, 319010), (437, 293460), (438, 292790), (460, 278787), (570, 224986), (670, 191406), (690, 185858), (730, 175674), (804, 159505), (874, 146730), (876, 146395), (1005, 127604), (1095, 117116), (1140, 112493), (1273, 100740), (1311, 97820), (1340, 95703), (1380, 92929), (1387, 92460), (1460, 87837), (1541, 83220), (1679, 76380), (1748, 73365), (2010, 63802), (2185, 58692), (2190, 58558), (2546, 50370), (2622, 48910), (2774, 46230), (3082, 41610), (3358, 38190), (3819, 33580), (4020, 31901), (4161, 30820), (4370, 29346), (4380, 29279), (4623, 27740), (4891, 26220), (5037, 25460), (5092, 25185), (5244, 24455), (5548, 23115), (6164, 20805), (6365, 20148), (6555, 19564), (6716, 19095), (6935, 18492), (7638, 16790), (7705, 16644), (8322, 15410), (8395, 15276), (8740, 14673), (9246, 13870), (9782, 13110), (10074, 12730)]