161935480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 446400000

約数和(自身を除く): 284464520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 95, 122, 133, 140, 152, 190, 244, 266, 280, 305, 380, 427, 488, 499, 532, 610, 665, 760, 854, 998, 1064, 1159, 1220, 1330, 1708, 1996, 2135, 2318, 2440, 2495, 2660, 3416, 3493, 3992, 4270, 4636, 4990, 5320, 5795, 6986, 8113, 8540, 9272, 9481, 9980, 11590, 13972, 16226, 17080, 17465, 18962, 19960, 23180, 27944, 30439, 32452, 34930, 37924, 40565, 46360, 47405, 60878, 64904, 66367, 69860, 75848, 81130, 94810, 121756, 132734, 139720, 152195, 162260, 189620, 213073, 243512, 265468, 304390, 324520, 331835, 379240, 426146, 530936, 578341, 608780, 663670, 852292, 1065365, 1156682, 1217560, 1327340, 1704584, 2130730, 2313364, 2654680, 2891705, 4048387, 4261460, 4626728, 5783410, 8096774, 8522920, 11566820, 16193548, 20241935, 23133640, 32387096, 40483870, 80967740, 161935480]

約数ペア:

[(1, 161935480), (2, 80967740), (4, 40483870), (5, 32387096), (7, 23133640), (8, 20241935), (10, 16193548), (14, 11566820), (19, 8522920), (20, 8096774), (28, 5783410), (35, 4626728), (38, 4261460), (40, 4048387), (56, 2891705), (61, 2654680), (70, 2313364), (76, 2130730), (95, 1704584), (122, 1327340), (133, 1217560), (140, 1156682), (152, 1065365), (190, 852292), (244, 663670), (266, 608780), (280, 578341), (305, 530936), (380, 426146), (427, 379240), (488, 331835), (499, 324520), (532, 304390), (610, 265468), (665, 243512), (760, 213073), (854, 189620), (998, 162260), (1064, 152195), (1159, 139720), (1220, 132734), (1330, 121756), (1708, 94810), (1996, 81130), (2135, 75848), (2318, 69860), (2440, 66367), (2495, 64904), (2660, 60878), (3416, 47405), (3493, 46360), (3992, 40565), (4270, 37924), (4636, 34930), (4990, 32452), (5320, 30439), (5795, 27944), (6986, 23180), (8113, 19960), (8540, 18962), (9272, 17465), (9481, 17080), (9980, 16226), (11590, 13972)]