123448130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 274337280

約数和(自身を除く): 150889150

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 41, 46, 53, 65, 82, 95, 106, 115, 130, 190, 205, 230, 247, 265, 299, 410, 437, 494, 530, 533, 598, 689, 779, 874, 943, 1007, 1066, 1219, 1235, 1378, 1495, 1558, 1886, 2014, 2173, 2185, 2438, 2470, 2665, 2990, 3445, 3895, 4346, 4370, 4715, 5035, 5330, 5681, 6095, 6890, 7790, 9430, 10070, 10127, 10865, 11362, 12190, 12259, 13091, 15847, 17917, 20254, 21730, 23161, 24518, 26182, 28249, 28405, 31694, 35834, 41287, 46322, 49979, 50635, 56498, 56810, 61295, 65455, 79235, 82574, 89585, 99958, 101270, 115805, 122590, 130910, 141245, 158470, 179170, 206435, 231610, 232921, 249895, 282490, 301093, 412870, 465842, 499790, 536731, 602186, 649727, 949601, 1073462, 1164605, 1299454, 1505465, 1899202, 2329210, 2683655, 3010930, 3248635, 4748005, 5367310, 6497270, 9496010, 12344813, 24689626, 61724065, 123448130]

約数ペア:

[(1, 123448130), (2, 61724065), (5, 24689626), (10, 12344813), (13, 9496010), (19, 6497270), (23, 5367310), (26, 4748005), (38, 3248635), (41, 3010930), (46, 2683655), (53, 2329210), (65, 1899202), (82, 1505465), (95, 1299454), (106, 1164605), (115, 1073462), (130, 949601), (190, 649727), (205, 602186), (230, 536731), (247, 499790), (265, 465842), (299, 412870), (410, 301093), (437, 282490), (494, 249895), (530, 232921), (533, 231610), (598, 206435), (689, 179170), (779, 158470), (874, 141245), (943, 130910), (1007, 122590), (1066, 115805), (1219, 101270), (1235, 99958), (1378, 89585), (1495, 82574), (1558, 79235), (1886, 65455), (2014, 61295), (2173, 56810), (2185, 56498), (2438, 50635), (2470, 49979), (2665, 46322), (2990, 41287), (3445, 35834), (3895, 31694), (4346, 28405), (4370, 28249), (4715, 26182), (5035, 24518), (5330, 23161), (5681, 21730), (6095, 20254), (6890, 17917), (7790, 15847), (9430, 13091), (10070, 12259), (10127, 12190), (10865, 11362)]