163978760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 424569600

約数和(自身を除く): 260590840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 71, 88, 110, 116, 142, 145, 181, 220, 232, 284, 290, 319, 355, 362, 440, 568, 580, 638, 710, 724, 781, 905, 1160, 1276, 1420, 1448, 1562, 1595, 1810, 1991, 2059, 2552, 2840, 3124, 3190, 3620, 3905, 3982, 4118, 5249, 6248, 6380, 7240, 7810, 7964, 8236, 9955, 10295, 10498, 12760, 12851, 15620, 15928, 16472, 19910, 20590, 20996, 22649, 25702, 26245, 31240, 39820, 41180, 41992, 45298, 51404, 52490, 57739, 64255, 79640, 82360, 90596, 102808, 104980, 113245, 115478, 128510, 141361, 181192, 209960, 226490, 230956, 257020, 282722, 288695, 372679, 452980, 461912, 514040, 565444, 577390, 706805, 745358, 905960, 1130888, 1154780, 1413610, 1490716, 1863395, 2309560, 2827220, 2981432, 3726790, 4099469, 5654440, 7453580, 8198938, 14907160, 16397876, 20497345, 32795752, 40994690, 81989380, 163978760]

約数ペア:

[(1, 163978760), (2, 81989380), (4, 40994690), (5, 32795752), (8, 20497345), (10, 16397876), (11, 14907160), (20, 8198938), (22, 7453580), (29, 5654440), (40, 4099469), (44, 3726790), (55, 2981432), (58, 2827220), (71, 2309560), (88, 1863395), (110, 1490716), (116, 1413610), (142, 1154780), (145, 1130888), (181, 905960), (220, 745358), (232, 706805), (284, 577390), (290, 565444), (319, 514040), (355, 461912), (362, 452980), (440, 372679), (568, 288695), (580, 282722), (638, 257020), (710, 230956), (724, 226490), (781, 209960), (905, 181192), (1160, 141361), (1276, 128510), (1420, 115478), (1448, 113245), (1562, 104980), (1595, 102808), (1810, 90596), (1991, 82360), (2059, 79640), (2552, 64255), (2840, 57739), (3124, 52490), (3190, 51404), (3620, 45298), (3905, 41992), (3982, 41180), (4118, 39820), (5249, 31240), (6248, 26245), (6380, 25702), (7240, 22649), (7810, 20996), (7964, 20590), (8236, 19910), (9955, 16472), (10295, 15928), (10498, 15620), (12760, 12851)]