168597880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 436363200

約数和(自身を除く): 267765320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 73, 88, 110, 116, 145, 146, 181, 220, 232, 290, 292, 319, 362, 365, 440, 580, 584, 638, 724, 730, 803, 905, 1160, 1276, 1448, 1460, 1595, 1606, 1810, 1991, 2117, 2552, 2920, 3190, 3212, 3620, 3982, 4015, 4234, 5249, 6380, 6424, 7240, 7964, 8030, 8468, 9955, 10498, 10585, 12760, 13213, 15928, 16060, 16936, 19910, 20996, 21170, 23287, 26245, 26426, 32120, 39820, 41992, 42340, 46574, 52490, 52852, 57739, 66065, 79640, 84680, 93148, 104980, 105704, 115478, 116435, 132130, 145343, 186296, 209960, 230956, 232870, 264260, 288695, 290686, 383177, 461912, 465740, 528520, 577390, 581372, 726715, 766354, 931480, 1154780, 1162744, 1453430, 1532708, 1915885, 2309560, 2906860, 3065416, 3831770, 4214947, 5813720, 7663540, 8429894, 15327080, 16859788, 21074735, 33719576, 42149470, 84298940, 168597880]

約数ペア:

[(1, 168597880), (2, 84298940), (4, 42149470), (5, 33719576), (8, 21074735), (10, 16859788), (11, 15327080), (20, 8429894), (22, 7663540), (29, 5813720), (40, 4214947), (44, 3831770), (55, 3065416), (58, 2906860), (73, 2309560), (88, 1915885), (110, 1532708), (116, 1453430), (145, 1162744), (146, 1154780), (181, 931480), (220, 766354), (232, 726715), (290, 581372), (292, 577390), (319, 528520), (362, 465740), (365, 461912), (440, 383177), (580, 290686), (584, 288695), (638, 264260), (724, 232870), (730, 230956), (803, 209960), (905, 186296), (1160, 145343), (1276, 132130), (1448, 116435), (1460, 115478), (1595, 105704), (1606, 104980), (1810, 93148), (1991, 84680), (2117, 79640), (2552, 66065), (2920, 57739), (3190, 52852), (3212, 52490), (3620, 46574), (3982, 42340), (4015, 41992), (4234, 39820), (5249, 32120), (6380, 26426), (6424, 26245), (7240, 23287), (7964, 21170), (8030, 20996), (8468, 19910), (9955, 16936), (10498, 16060), (10585, 15928), (12760, 13213)]