138720960

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{983}}^1$

素因数の和:1020

約数の個数: 252

約数和(自身を含む): 555607728

約数和(自身を除く): 416886768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 983, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 1966, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 2949, 3136, 3360, 3528, 3920, 3932, 4032, 4410, 4704, 4915, 5040, 5880, 5898, 6720, 6881, 7056, 7840, 7864, 8820, 8847, 9408, 9830, 10080, 11760, 11796, 13762, 14112, 14745, 15680, 15728, 17640, 17694, 19660, 20160, 20643, 23520, 23592, 27524, 28224, 29490, 31456, 34405, 35280, 35388, 39320, 41286, 44235, 47040, 47184, 48167, 55048, 58980, 61929, 62912, 68810, 70560, 70776, 78640, 82572, 88470, 94368, 96334, 103215, 110096, 117960, 123858, 137620, 141120, 141552, 144501, 157280, 165144, 176940, 188736, 192668, 206430, 220192, 235920, 240835, 247716, 275240, 283104, 289002, 309645, 314560, 330288, 353880, 385336, 412860, 433503, 440384, 471840, 481670, 495432, 550480, 566208, 578004, 619290, 660576, 707760, 722505, 770672, 825720, 867006, 943680, 963340, 990864, 1100960, 1156008, 1238580, 1321152, 1415520, 1445010, 1541344, 1651440, 1734012, 1926680, 1981728, 2167515, 2201920, 2312016, 2477160, 2831040, 2890020, 3082688, 3302880, 3468024, 3853360, 3963456, 4335030, 4624032, 4954320, 5780040, 6605760, 6936048, 7706720, 8670060, 9248064, 9908640, 11560080, 13872096, 15413440, 17340120, 19817280, 23120160, 27744192, 34680240, 46240320, 69360480, 138720960]

約数ペア:

[(1, 138720960), (2, 69360480), (3, 46240320), (4, 34680240), (5, 27744192), (6, 23120160), (7, 19817280), (8, 17340120), (9, 15413440), (10, 13872096), (12, 11560080), (14, 9908640), (15, 9248064), (16, 8670060), (18, 7706720), (20, 6936048), (21, 6605760), (24, 5780040), (28, 4954320), (30, 4624032), (32, 4335030), (35, 3963456), (36, 3853360), (40, 3468024), (42, 3302880), (45, 3082688), (48, 2890020), (49, 2831040), (56, 2477160), (60, 2312016), (63, 2201920), (64, 2167515), (70, 1981728), (72, 1926680), (80, 1734012), (84, 1651440), (90, 1541344), (96, 1445010), (98, 1415520), (105, 1321152), (112, 1238580), (120, 1156008), (126, 1100960), (140, 990864), (144, 963340), (147, 943680), (160, 867006), (168, 825720), (180, 770672), (192, 722505), (196, 707760), (210, 660576), (224, 619290), (240, 578004), (245, 566208), (252, 550480), (280, 495432), (288, 481670), (294, 471840), (315, 440384), (320, 433503), (336, 412860), (360, 385336), (392, 353880), (420, 330288), (441, 314560), (448, 309645), (480, 289002), (490, 283104), (504, 275240), (560, 247716), (576, 240835), (588, 235920), (630, 220192), (672, 206430), (720, 192668), (735, 188736), (784, 176940), (840, 165144), (882, 157280), (960, 144501), (980, 141552), (983, 141120), (1008, 137620), (1120, 123858), (1176, 117960), (1260, 110096), (1344, 103215), (1440, 96334), (1470, 94368), (1568, 88470), (1680, 82572), (1764, 78640), (1960, 70776), (1966, 70560), (2016, 68810), (2205, 62912), (2240, 61929), (2352, 58980), (2520, 55048), (2880, 48167), (2940, 47184), (2949, 47040), (3136, 44235), (3360, 41286), (3528, 39320), (3920, 35388), (3932, 35280), (4032, 34405), (4410, 31456), (4704, 29490), (4915, 28224), (5040, 27524), (5880, 23592), (5898, 23520), (6720, 20643), (6881, 20160), (7056, 19660), (7840, 17694), (7864, 17640), (8820, 15728), (8847, 15680), (9408, 14745), (9830, 14112), (10080, 13762), (11760, 11796)]