68878680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:753

約数の個数: 128

約数和(自身を含む): 226195200

約数和(自身を除く): 157316520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 659, 670, 780, 804, 871, 1005, 1318, 1340, 1560, 1608, 1742, 1977, 2010, 2613, 2636, 2680, 3295, 3484, 3954, 4020, 4355, 5226, 5272, 6590, 6968, 7908, 8040, 8567, 8710, 9885, 10452, 13065, 13180, 15816, 17134, 17420, 19770, 20904, 25701, 26130, 26360, 34268, 34840, 39540, 42835, 44153, 51402, 52260, 68536, 79080, 85670, 88306, 102804, 104520, 128505, 132459, 171340, 176612, 205608, 220765, 257010, 264918, 342680, 353224, 441530, 514020, 529836, 573989, 662295, 883060, 1028040, 1059672, 1147978, 1324590, 1721967, 1766120, 2295956, 2649180, 2869945, 3443934, 4591912, 5298360, 5739890, 6887868, 8609835, 11479780, 13775736, 17219670, 22959560, 34439340, 68878680]

約数ペア:

[(1, 68878680), (2, 34439340), (3, 22959560), (4, 17219670), (5, 13775736), (6, 11479780), (8, 8609835), (10, 6887868), (12, 5739890), (13, 5298360), (15, 4591912), (20, 3443934), (24, 2869945), (26, 2649180), (30, 2295956), (39, 1766120), (40, 1721967), (52, 1324590), (60, 1147978), (65, 1059672), (67, 1028040), (78, 883060), (104, 662295), (120, 573989), (130, 529836), (134, 514020), (156, 441530), (195, 353224), (201, 342680), (260, 264918), (268, 257010), (312, 220765), (335, 205608), (390, 176612), (402, 171340), (520, 132459), (536, 128505), (659, 104520), (670, 102804), (780, 88306), (804, 85670), (871, 79080), (1005, 68536), (1318, 52260), (1340, 51402), (1560, 44153), (1608, 42835), (1742, 39540), (1977, 34840), (2010, 34268), (2613, 26360), (2636, 26130), (2680, 25701), (3295, 20904), (3484, 19770), (3954, 17420), (4020, 17134), (4355, 15816), (5226, 13180), (5272, 13065), (6590, 10452), (6968, 9885), (7908, 8710), (8040, 8567)]