28779984

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 86596640

約数和(自身を除く): 57816656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 67, 72, 76, 114, 134, 144, 152, 157, 171, 201, 228, 268, 304, 314, 342, 402, 456, 471, 536, 603, 628, 684, 804, 912, 942, 1072, 1206, 1256, 1273, 1368, 1413, 1608, 1884, 2412, 2512, 2546, 2736, 2826, 2983, 3216, 3768, 3819, 4824, 5092, 5652, 5966, 7536, 7638, 8949, 9648, 10184, 10519, 11304, 11457, 11932, 15276, 17898, 20368, 21038, 22608, 22914, 23864, 26847, 30552, 31557, 35796, 42076, 45828, 47728, 53694, 61104, 63114, 71592, 84152, 91656, 94671, 107388, 126228, 143184, 168304, 183312, 189342, 199861, 214776, 252456, 378684, 399722, 429552, 504912, 599583, 757368, 799444, 1199166, 1514736, 1598888, 1798749, 2398332, 3197776, 3597498, 4796664, 7194996, 9593328, 14389992, 28779984]

約数ペア:

[(1, 28779984), (2, 14389992), (3, 9593328), (4, 7194996), (6, 4796664), (8, 3597498), (9, 3197776), (12, 2398332), (16, 1798749), (18, 1598888), (19, 1514736), (24, 1199166), (36, 799444), (38, 757368), (48, 599583), (57, 504912), (67, 429552), (72, 399722), (76, 378684), (114, 252456), (134, 214776), (144, 199861), (152, 189342), (157, 183312), (171, 168304), (201, 143184), (228, 126228), (268, 107388), (304, 94671), (314, 91656), (342, 84152), (402, 71592), (456, 63114), (471, 61104), (536, 53694), (603, 47728), (628, 45828), (684, 42076), (804, 35796), (912, 31557), (942, 30552), (1072, 26847), (1206, 23864), (1256, 22914), (1273, 22608), (1368, 21038), (1413, 20368), (1608, 17898), (1884, 15276), (2412, 11932), (2512, 11457), (2546, 11304), (2736, 10519), (2826, 10184), (2983, 9648), (3216, 8949), (3768, 7638), (3819, 7536), (4824, 5966), (5092, 5652)]