123658320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 402652800

約数和(自身を除く): 278994480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 109, 116, 120, 145, 163, 174, 218, 232, 240, 290, 326, 327, 348, 435, 436, 464, 489, 545, 580, 652, 654, 696, 815, 870, 872, 978, 1090, 1160, 1304, 1308, 1392, 1630, 1635, 1740, 1744, 1956, 2180, 2320, 2445, 2608, 2616, 3161, 3260, 3270, 3480, 3912, 4360, 4727, 4890, 5232, 6322, 6520, 6540, 6960, 7824, 8720, 9454, 9483, 9780, 12644, 13040, 13080, 14181, 15805, 17767, 18908, 18966, 19560, 23635, 25288, 26160, 28362, 31610, 35534, 37816, 37932, 39120, 47270, 47415, 50576, 53301, 56724, 63220, 70905, 71068, 75632, 75864, 88835, 94540, 94830, 106602, 113448, 126440, 141810, 142136, 151728, 177670, 189080, 189660, 213204, 226896, 252880, 266505, 283620, 284272, 355340, 378160, 379320, 426408, 515243, 533010, 567240, 710680, 758640, 852816, 1030486, 1066020, 1134480, 1421360, 1545729, 2060972, 2132040, 2576215, 3091458, 4121944, 4264080, 5152430, 6182916, 7728645, 8243888, 10304860, 12365832, 15457290, 20609720, 24731664, 30914580, 41219440, 61829160, 123658320]

約数ペア:

[(1, 123658320), (2, 61829160), (3, 41219440), (4, 30914580), (5, 24731664), (6, 20609720), (8, 15457290), (10, 12365832), (12, 10304860), (15, 8243888), (16, 7728645), (20, 6182916), (24, 5152430), (29, 4264080), (30, 4121944), (40, 3091458), (48, 2576215), (58, 2132040), (60, 2060972), (80, 1545729), (87, 1421360), (109, 1134480), (116, 1066020), (120, 1030486), (145, 852816), (163, 758640), (174, 710680), (218, 567240), (232, 533010), (240, 515243), (290, 426408), (326, 379320), (327, 378160), (348, 355340), (435, 284272), (436, 283620), (464, 266505), (489, 252880), (545, 226896), (580, 213204), (652, 189660), (654, 189080), (696, 177670), (815, 151728), (870, 142136), (872, 141810), (978, 126440), (1090, 113448), (1160, 106602), (1304, 94830), (1308, 94540), (1392, 88835), (1630, 75864), (1635, 75632), (1740, 71068), (1744, 70905), (1956, 63220), (2180, 56724), (2320, 53301), (2445, 50576), (2608, 47415), (2616, 47270), (3161, 39120), (3260, 37932), (3270, 37816), (3480, 35534), (3912, 31610), (4360, 28362), (4727, 26160), (4890, 25288), (5232, 23635), (6322, 19560), (6520, 18966), (6540, 18908), (6960, 17767), (7824, 15805), (8720, 14181), (9454, 13080), (9483, 13040), (9780, 12644)]