161556304

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 418473216

約数和(自身を除く): 256916912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 61, 68, 91, 104, 107, 112, 119, 122, 136, 182, 208, 214, 221, 238, 244, 272, 364, 427, 428, 442, 476, 488, 728, 749, 793, 854, 856, 884, 952, 976, 1037, 1391, 1456, 1498, 1547, 1586, 1708, 1712, 1768, 1819, 1904, 2074, 2782, 2996, 3094, 3172, 3416, 3536, 3638, 4148, 5551, 5564, 5992, 6188, 6344, 6527, 6832, 7259, 7276, 8296, 9737, 11102, 11128, 11984, 12376, 12688, 12733, 13054, 13481, 14518, 14552, 16592, 19474, 22204, 22256, 23647, 24752, 25466, 26108, 26962, 29036, 29104, 38948, 44408, 45689, 47294, 50932, 52216, 53924, 58072, 77896, 84851, 88816, 91378, 94367, 94588, 101864, 104432, 107848, 110959, 116144, 155792, 165529, 169702, 182756, 188734, 189176, 203728, 215696, 221918, 331058, 339404, 365512, 377468, 378352, 443836, 593957, 662116, 678808, 731024, 754936, 776713, 887672, 1187914, 1324232, 1357616, 1442467, 1509872, 1553426, 1775344, 2375828, 2648464, 2884934, 3106852, 4751656, 5769868, 6213704, 9503312, 10097269, 11539736, 12427408, 20194538, 23079472, 40389076, 80778152, 161556304]

約数ペア:

[(1, 161556304), (2, 80778152), (4, 40389076), (7, 23079472), (8, 20194538), (13, 12427408), (14, 11539736), (16, 10097269), (17, 9503312), (26, 6213704), (28, 5769868), (34, 4751656), (52, 3106852), (56, 2884934), (61, 2648464), (68, 2375828), (91, 1775344), (104, 1553426), (107, 1509872), (112, 1442467), (119, 1357616), (122, 1324232), (136, 1187914), (182, 887672), (208, 776713), (214, 754936), (221, 731024), (238, 678808), (244, 662116), (272, 593957), (364, 443836), (427, 378352), (428, 377468), (442, 365512), (476, 339404), (488, 331058), (728, 221918), (749, 215696), (793, 203728), (854, 189176), (856, 188734), (884, 182756), (952, 169702), (976, 165529), (1037, 155792), (1391, 116144), (1456, 110959), (1498, 107848), (1547, 104432), (1586, 101864), (1708, 94588), (1712, 94367), (1768, 91378), (1819, 88816), (1904, 84851), (2074, 77896), (2782, 58072), (2996, 53924), (3094, 52216), (3172, 50932), (3416, 47294), (3536, 45689), (3638, 44408), (4148, 38948), (5551, 29104), (5564, 29036), (5992, 26962), (6188, 26108), (6344, 25466), (6527, 24752), (6832, 23647), (7259, 22256), (7276, 22204), (8296, 19474), (9737, 16592), (11102, 14552), (11128, 14518), (11984, 13481), (12376, 13054), (12688, 12733)]