31401072

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 120

約数和(自身を含む): 96720000

約数和(自身を除く): 65318928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 36, 38, 46, 48, 57, 69, 72, 76, 92, 114, 138, 144, 152, 171, 184, 207, 228, 276, 304, 342, 368, 414, 437, 456, 499, 552, 684, 828, 874, 912, 998, 1104, 1311, 1368, 1497, 1656, 1748, 1996, 2622, 2736, 2994, 3312, 3496, 3933, 3992, 4491, 5244, 5988, 6992, 7866, 7984, 8982, 9481, 10488, 11477, 11976, 15732, 17964, 18962, 20976, 22954, 23952, 28443, 31464, 34431, 35928, 37924, 45908, 56886, 62928, 68862, 71856, 75848, 85329, 91816, 103293, 113772, 137724, 151696, 170658, 183632, 206586, 218063, 227544, 275448, 341316, 413172, 436126, 455088, 550896, 654189, 682632, 826344, 872252, 1308378, 1365264, 1652688, 1744504, 1962567, 2616756, 3489008, 3925134, 5233512, 7850268, 10467024, 15700536, 31401072]

約数ペア:

[(1, 31401072), (2, 15700536), (3, 10467024), (4, 7850268), (6, 5233512), (8, 3925134), (9, 3489008), (12, 2616756), (16, 1962567), (18, 1744504), (19, 1652688), (23, 1365264), (24, 1308378), (36, 872252), (38, 826344), (46, 682632), (48, 654189), (57, 550896), (69, 455088), (72, 436126), (76, 413172), (92, 341316), (114, 275448), (138, 227544), (144, 218063), (152, 206586), (171, 183632), (184, 170658), (207, 151696), (228, 137724), (276, 113772), (304, 103293), (342, 91816), (368, 85329), (414, 75848), (437, 71856), (456, 68862), (499, 62928), (552, 56886), (684, 45908), (828, 37924), (874, 35928), (912, 34431), (998, 31464), (1104, 28443), (1311, 23952), (1368, 22954), (1497, 20976), (1656, 18962), (1748, 17964), (1996, 15732), (2622, 11976), (2736, 11477), (2994, 10488), (3312, 9481), (3496, 8982), (3933, 7984), (3992, 7866), (4491, 6992), (5244, 5988)]