78672464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1228

約数の個数: 80

約数和(自身を含む): 183113280

約数和(自身を除く): 104440816

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 442, 494, 646, 884, 988, 1171, 1292, 1768, 1976, 2342, 2584, 3536, 3952, 4199, 4684, 5168, 8398, 9368, 15223, 16796, 18736, 19907, 22249, 30446, 33592, 39814, 44498, 60892, 67184, 79628, 88996, 121784, 159256, 177992, 243568, 258791, 289237, 318512, 355984, 378233, 517582, 578474, 756466, 1035164, 1156948, 1512932, 2070328, 2313896, 3025864, 4140656, 4627792, 4917029, 6051728, 9834058, 19668116, 39336232, 78672464]

約数ペア:

[(1, 78672464), (2, 39336232), (4, 19668116), (8, 9834058), (13, 6051728), (16, 4917029), (17, 4627792), (19, 4140656), (26, 3025864), (34, 2313896), (38, 2070328), (52, 1512932), (68, 1156948), (76, 1035164), (104, 756466), (136, 578474), (152, 517582), (208, 378233), (221, 355984), (247, 318512), (272, 289237), (304, 258791), (323, 243568), (442, 177992), (494, 159256), (646, 121784), (884, 88996), (988, 79628), (1171, 67184), (1292, 60892), (1768, 44498), (1976, 39814), (2342, 33592), (2584, 30446), (3536, 22249), (3952, 19907), (4199, 18736), (4684, 16796), (5168, 15223), (8398, 9368)]