256679904

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^3\times {\mathrm{1217}}^1$

素因数の和:1269

約数の個数: 96

約数和(自身を含む): 730507680

約数和(自身を除く): 473827776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1217, 1248, 1352, 2028, 2197, 2434, 2704, 3651, 4056, 4394, 4868, 5408, 6591, 7302, 8112, 8788, 9736, 13182, 14604, 15821, 16224, 17576, 19472, 26364, 29208, 31642, 35152, 38944, 47463, 52728, 58416, 63284, 70304, 94926, 105456, 116832, 126568, 189852, 205673, 210912, 253136, 379704, 411346, 506272, 617019, 759408, 822692, 1234038, 1518816, 1645384, 2468076, 2673749, 3290768, 4936152, 5347498, 6581536, 8021247, 9872304, 10694996, 16042494, 19744608, 21389992, 32084988, 42779984, 64169976, 85559968, 128339952, 256679904]

約数ペア:

[(1, 256679904), (2, 128339952), (3, 85559968), (4, 64169976), (6, 42779984), (8, 32084988), (12, 21389992), (13, 19744608), (16, 16042494), (24, 10694996), (26, 9872304), (32, 8021247), (39, 6581536), (48, 5347498), (52, 4936152), (78, 3290768), (96, 2673749), (104, 2468076), (156, 1645384), (169, 1518816), (208, 1234038), (312, 822692), (338, 759408), (416, 617019), (507, 506272), (624, 411346), (676, 379704), (1014, 253136), (1217, 210912), (1248, 205673), (1352, 189852), (2028, 126568), (2197, 116832), (2434, 105456), (2704, 94926), (3651, 70304), (4056, 63284), (4394, 58416), (4868, 52728), (5408, 47463), (6591, 38944), (7302, 35152), (8112, 31642), (8788, 29208), (9736, 26364), (13182, 19472), (14604, 17576), (15821, 16224)]