128913984

素因数分解:

$2^6\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1305

約数の個数: 112

約数和(自身を含む): 385511040

約数和(自身を除く): 256597056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 96, 108, 122, 144, 183, 192, 216, 244, 288, 366, 432, 488, 549, 576, 732, 864, 976, 1098, 1223, 1464, 1647, 1728, 1952, 2196, 2446, 2928, 3294, 3669, 3904, 4392, 4892, 5856, 6588, 7338, 8784, 9784, 11007, 11712, 13176, 14676, 17568, 19568, 22014, 26352, 29352, 33021, 35136, 39136, 44028, 52704, 58704, 66042, 74603, 78272, 88056, 105408, 117408, 132084, 149206, 176112, 223809, 234816, 264168, 298412, 352224, 447618, 528336, 596824, 671427, 704448, 895236, 1056672, 1193648, 1342854, 1790472, 2014281, 2113344, 2387296, 2685708, 3580944, 4028562, 4774592, 5371416, 7161888, 8057124, 10742832, 14323776, 16114248, 21485664, 32228496, 42971328, 64456992, 128913984]

約数ペア:

[(1, 128913984), (2, 64456992), (3, 42971328), (4, 32228496), (6, 21485664), (8, 16114248), (9, 14323776), (12, 10742832), (16, 8057124), (18, 7161888), (24, 5371416), (27, 4774592), (32, 4028562), (36, 3580944), (48, 2685708), (54, 2387296), (61, 2113344), (64, 2014281), (72, 1790472), (96, 1342854), (108, 1193648), (122, 1056672), (144, 895236), (183, 704448), (192, 671427), (216, 596824), (244, 528336), (288, 447618), (366, 352224), (432, 298412), (488, 264168), (549, 234816), (576, 223809), (732, 176112), (864, 149206), (976, 132084), (1098, 117408), (1223, 105408), (1464, 88056), (1647, 78272), (1728, 74603), (1952, 66042), (2196, 58704), (2446, 52704), (2928, 44028), (3294, 39136), (3669, 35136), (3904, 33021), (4392, 29352), (4892, 26352), (5856, 22014), (6588, 19568), (7338, 17568), (8784, 14676), (9784, 13176), (11007, 11712)]