238905840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 160

約数和(自身を含む): 773093376

約数和(自身を除く): 534187536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 163, 186, 197, 240, 248, 310, 326, 372, 394, 465, 489, 496, 591, 620, 652, 744, 788, 815, 930, 978, 985, 1182, 1240, 1304, 1488, 1576, 1630, 1860, 1956, 1970, 2364, 2445, 2480, 2608, 2955, 3152, 3260, 3720, 3912, 3940, 4728, 4890, 5053, 5910, 6107, 6520, 7440, 7824, 7880, 9456, 9780, 10106, 11820, 12214, 13040, 15159, 15760, 18321, 19560, 20212, 23640, 24428, 25265, 30318, 30535, 32111, 36642, 39120, 40424, 47280, 48856, 50530, 60636, 61070, 64222, 73284, 75795, 80848, 91605, 96333, 97712, 101060, 121272, 122140, 128444, 146568, 151590, 160555, 183210, 192666, 202120, 242544, 244280, 256888, 293136, 303180, 321110, 366420, 385332, 404240, 481665, 488560, 513776, 606360, 642220, 732840, 770664, 963330, 995441, 1212720, 1284440, 1465680, 1541328, 1926660, 1990882, 2568880, 2986323, 3853320, 3981764, 4977205, 5972646, 7706640, 7963528, 9954410, 11945292, 14931615, 15927056, 19908820, 23890584, 29863230, 39817640, 47781168, 59726460, 79635280, 119452920, 238905840]

約数ペア:

[(1, 238905840), (2, 119452920), (3, 79635280), (4, 59726460), (5, 47781168), (6, 39817640), (8, 29863230), (10, 23890584), (12, 19908820), (15, 15927056), (16, 14931615), (20, 11945292), (24, 9954410), (30, 7963528), (31, 7706640), (40, 5972646), (48, 4977205), (60, 3981764), (62, 3853320), (80, 2986323), (93, 2568880), (120, 1990882), (124, 1926660), (155, 1541328), (163, 1465680), (186, 1284440), (197, 1212720), (240, 995441), (248, 963330), (310, 770664), (326, 732840), (372, 642220), (394, 606360), (465, 513776), (489, 488560), (496, 481665), (591, 404240), (620, 385332), (652, 366420), (744, 321110), (788, 303180), (815, 293136), (930, 256888), (978, 244280), (985, 242544), (1182, 202120), (1240, 192666), (1304, 183210), (1488, 160555), (1576, 151590), (1630, 146568), (1860, 128444), (1956, 122140), (1970, 121272), (2364, 101060), (2445, 97712), (2480, 96333), (2608, 91605), (2955, 80848), (3152, 75795), (3260, 73284), (3720, 64222), (3912, 61070), (3940, 60636), (4728, 50530), (4890, 48856), (5053, 47280), (5910, 40424), (6107, 39120), (6520, 36642), (7440, 32111), (7824, 30535), (7880, 30318), (9456, 25265), (9780, 24428), (10106, 23640), (11820, 20212), (12214, 19560), (13040, 18321), (15159, 15760)]