80442720

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{2069}}^1$

素因数の和:2099

約数の個数: 144

約数和(自身を含む): 284815440

約数和(自身を除く): 204372720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2069, 2160, 2430, 2592, 3240, 3888, 4138, 4320, 4860, 6207, 6480, 7776, 8276, 9720, 10345, 12414, 12960, 16552, 18621, 19440, 20690, 24828, 31035, 33104, 37242, 38880, 41380, 49656, 55863, 62070, 66208, 74484, 82760, 93105, 99312, 111726, 124140, 148968, 165520, 167589, 186210, 198624, 223452, 248280, 279315, 297936, 331040, 335178, 372420, 446904, 496560, 502767, 558630, 595872, 670356, 744840, 837945, 893808, 993120, 1005534, 1117260, 1340712, 1489680, 1675890, 1787616, 2011068, 2234520, 2513835, 2681424, 2979360, 3351780, 4022136, 4469040, 5027670, 5362848, 6703560, 8044272, 8938080, 10055340, 13407120, 16088544, 20110680, 26814240, 40221360, 80442720]

約数ペア:

[(1, 80442720), (2, 40221360), (3, 26814240), (4, 20110680), (5, 16088544), (6, 13407120), (8, 10055340), (9, 8938080), (10, 8044272), (12, 6703560), (15, 5362848), (16, 5027670), (18, 4469040), (20, 4022136), (24, 3351780), (27, 2979360), (30, 2681424), (32, 2513835), (36, 2234520), (40, 2011068), (45, 1787616), (48, 1675890), (54, 1489680), (60, 1340712), (72, 1117260), (80, 1005534), (81, 993120), (90, 893808), (96, 837945), (108, 744840), (120, 670356), (135, 595872), (144, 558630), (160, 502767), (162, 496560), (180, 446904), (216, 372420), (240, 335178), (243, 331040), (270, 297936), (288, 279315), (324, 248280), (360, 223452), (405, 198624), (432, 186210), (480, 167589), (486, 165520), (540, 148968), (648, 124140), (720, 111726), (810, 99312), (864, 93105), (972, 82760), (1080, 74484), (1215, 66208), (1296, 62070), (1440, 55863), (1620, 49656), (1944, 41380), (2069, 38880), (2160, 37242), (2430, 33104), (2592, 31035), (3240, 24828), (3888, 20690), (4138, 19440), (4320, 18621), (4860, 16552), (6207, 12960), (6480, 12414), (7776, 10345), (8276, 9720)]