7987888920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2447}}^1\times {\mathrm{2473}}^1$

素因数の和:4945

約数の個数: 128

約数和(自身を含む): 26163440640

約数和(自身を除く): 18175551720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 2447, 2473, 4894, 4946, 7341, 7419, 9788, 9892, 12235, 12365, 14682, 14838, 19576, 19784, 24470, 24730, 26917, 27203, 29364, 29676, 36705, 37095, 48940, 49460, 53834, 54406, 58728, 59352, 73410, 74190, 80751, 81609, 97880, 98920, 107668, 108812, 134585, 136015, 146820, 148380, 161502, 163218, 215336, 217624, 269170, 272030, 293640, 296760, 323004, 326436, 403755, 408045, 538340, 544060, 646008, 652872, 807510, 816090, 1076680, 1088120, 1615020, 1632180, 3230040, 3264360, 6051431, 12102862, 18154293, 24205724, 30257155, 36308586, 48411448, 60514310, 66565741, 72617172, 90771465, 121028620, 133131482, 145234344, 181542930, 199697223, 242057240, 266262964, 332828705, 363085860, 399394446, 532525928, 665657410, 726171720, 798788892, 998486115, 1331314820, 1597577784, 1996972230, 2662629640, 3993944460, 7987888920]

約数ペア:

[(1, 7987888920), (2, 3993944460), (3, 2662629640), (4, 1996972230), (5, 1597577784), (6, 1331314820), (8, 998486115), (10, 798788892), (11, 726171720), (12, 665657410), (15, 532525928), (20, 399394446), (22, 363085860), (24, 332828705), (30, 266262964), (33, 242057240), (40, 199697223), (44, 181542930), (55, 145234344), (60, 133131482), (66, 121028620), (88, 90771465), (110, 72617172), (120, 66565741), (132, 60514310), (165, 48411448), (220, 36308586), (264, 30257155), (330, 24205724), (440, 18154293), (660, 12102862), (1320, 6051431), (2447, 3264360), (2473, 3230040), (4894, 1632180), (4946, 1615020), (7341, 1088120), (7419, 1076680), (9788, 816090), (9892, 807510), (12235, 652872), (12365, 646008), (14682, 544060), (14838, 538340), (19576, 408045), (19784, 403755), (24470, 326436), (24730, 323004), (26917, 296760), (27203, 293640), (29364, 272030), (29676, 269170), (36705, 217624), (37095, 215336), (48940, 163218), (49460, 161502), (53834, 148380), (54406, 146820), (58728, 136015), (59352, 134585), (73410, 108812), (74190, 107668), (80751, 98920), (81609, 97880)]