1221047856

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1480

約数の個数: 180

約数和(自身を含む): 4008531384

約数和(自身を除く): 2787483528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 131, 144, 147, 168, 196, 252, 262, 294, 336, 392, 393, 441, 504, 524, 588, 784, 786, 882, 917, 1008, 1048, 1176, 1179, 1321, 1572, 1764, 1834, 2096, 2352, 2358, 2642, 2751, 3144, 3528, 3668, 3963, 4716, 5284, 5502, 6288, 6419, 7056, 7336, 7926, 8253, 9247, 9432, 10568, 11004, 11889, 12838, 14672, 15852, 16506, 18494, 18864, 19257, 21136, 22008, 23778, 25676, 27741, 31704, 33012, 36988, 38514, 44016, 47556, 51352, 55482, 57771, 63408, 64729, 66024, 73976, 77028, 83223, 95112, 102704, 110964, 115542, 129458, 132048, 147952, 154056, 166446, 173051, 190224, 194187, 221928, 231084, 258916, 308112, 332892, 346102, 388374, 443856, 462168, 517832, 519153, 582561, 665784, 692204, 776748, 924336, 1035664, 1038306, 1165122, 1211357, 1331568, 1384408, 1553496, 1557459, 2076612, 2330244, 2422714, 2768816, 3106992, 3114918, 3634071, 4153224, 4660488, 4845428, 6229836, 7268142, 8306448, 8479499, 9320976, 9690856, 10902213, 12459672, 14536284, 16958998, 19381712, 21804426, 24919344, 25438497, 29072568, 33917996, 43608852, 50876994, 58145136, 67835992, 76315491, 87217704, 101753988, 135671984, 152630982, 174435408, 203507976, 305261964, 407015952, 610523928, 1221047856]

約数ペア:

[(1, 1221047856), (2, 610523928), (3, 407015952), (4, 305261964), (6, 203507976), (7, 174435408), (8, 152630982), (9, 135671984), (12, 101753988), (14, 87217704), (16, 76315491), (18, 67835992), (21, 58145136), (24, 50876994), (28, 43608852), (36, 33917996), (42, 29072568), (48, 25438497), (49, 24919344), (56, 21804426), (63, 19381712), (72, 16958998), (84, 14536284), (98, 12459672), (112, 10902213), (126, 9690856), (131, 9320976), (144, 8479499), (147, 8306448), (168, 7268142), (196, 6229836), (252, 4845428), (262, 4660488), (294, 4153224), (336, 3634071), (392, 3114918), (393, 3106992), (441, 2768816), (504, 2422714), (524, 2330244), (588, 2076612), (784, 1557459), (786, 1553496), (882, 1384408), (917, 1331568), (1008, 1211357), (1048, 1165122), (1176, 1038306), (1179, 1035664), (1321, 924336), (1572, 776748), (1764, 692204), (1834, 665784), (2096, 582561), (2352, 519153), (2358, 517832), (2642, 462168), (2751, 443856), (3144, 388374), (3528, 346102), (3668, 332892), (3963, 308112), (4716, 258916), (5284, 231084), (5502, 221928), (6288, 194187), (6419, 190224), (7056, 173051), (7336, 166446), (7926, 154056), (8253, 147952), (9247, 132048), (9432, 129458), (10568, 115542), (11004, 110964), (11889, 102704), (12838, 95112), (14672, 83223), (15852, 77028), (16506, 73976), (18494, 66024), (18864, 64729), (19257, 63408), (21136, 57771), (22008, 55482), (23778, 51352), (25676, 47556), (27741, 44016), (31704, 38514), (33012, 36988)]