128578944

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 376992000

約数和(自身を除く): 248413056

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 64, 78, 86, 96, 104, 128, 129, 156, 172, 192, 208, 258, 312, 344, 384, 416, 516, 559, 599, 624, 688, 832, 1032, 1118, 1198, 1248, 1376, 1664, 1677, 1797, 2064, 2236, 2396, 2496, 2752, 3354, 3594, 4128, 4472, 4792, 4992, 5504, 6708, 7188, 7787, 8256, 8944, 9584, 13416, 14376, 15574, 16512, 17888, 19168, 23361, 25757, 26832, 28752, 31148, 35776, 38336, 46722, 51514, 53664, 57504, 62296, 71552, 76672, 77271, 93444, 103028, 107328, 115008, 124592, 154542, 186888, 206056, 214656, 230016, 249184, 309084, 334841, 373776, 412112, 498368, 618168, 669682, 747552, 824224, 996736, 1004523, 1236336, 1339364, 1495104, 1648448, 2009046, 2472672, 2678728, 2990208, 3296896, 4018092, 4945344, 5357456, 8036184, 9890688, 10714912, 16072368, 21429824, 32144736, 42859648, 64289472, 128578944]

約数ペア:

[(1, 128578944), (2, 64289472), (3, 42859648), (4, 32144736), (6, 21429824), (8, 16072368), (12, 10714912), (13, 9890688), (16, 8036184), (24, 5357456), (26, 4945344), (32, 4018092), (39, 3296896), (43, 2990208), (48, 2678728), (52, 2472672), (64, 2009046), (78, 1648448), (86, 1495104), (96, 1339364), (104, 1236336), (128, 1004523), (129, 996736), (156, 824224), (172, 747552), (192, 669682), (208, 618168), (258, 498368), (312, 412112), (344, 373776), (384, 334841), (416, 309084), (516, 249184), (559, 230016), (599, 214656), (624, 206056), (688, 186888), (832, 154542), (1032, 124592), (1118, 115008), (1198, 107328), (1248, 103028), (1376, 93444), (1664, 77271), (1677, 76672), (1797, 71552), (2064, 62296), (2236, 57504), (2396, 53664), (2496, 51514), (2752, 46722), (3354, 38336), (3594, 35776), (4128, 31148), (4472, 28752), (4792, 26832), (4992, 25757), (5504, 23361), (6708, 19168), (7188, 17888), (7787, 16512), (8256, 15574), (8944, 14376), (9584, 13416)]