20512781280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2459}}^1$

素因数の和:4414

約数の個数: 192

約数和(自身を含む): 71861126400

約数和(自身を除く): 51348345120

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, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 1931, 2160, 2459, 3862, 4320, 4918, 5793, 7377, 7724, 9655, 9836, 11586, 12295, 14754, 15448, 17379, 19310, 19672, 22131, 23172, 24590, 28965, 29508, 30896, 34758, 36885, 38620, 39344, 44262, 46344, 49180, 52137, 57930, 59016, 61792, 66393, 69516, 73770, 77240, 78688, 86895, 88524, 92688, 98360, 104274, 110655, 115860, 118032, 132786, 139032, 147540, 154480, 173790, 177048, 185376, 196720, 208548, 221310, 231720, 236064, 260685, 265572, 278064, 295080, 308960, 331965, 347580, 354096, 393440, 417096, 442620, 463440, 521370, 531144, 556128, 590160, 663930, 695160, 708192, 834192, 885240, 926880, 1042740, 1062288, 1180320, 1327860, 1390320, 1668384, 1770480, 2085480, 2124576, 2655720, 2780640, 3540960, 4170960, 4748329, 5311440, 8341920, 9496658, 10622880, 14244987, 18993316, 23741645, 28489974, 37986632, 42734961, 47483290, 56979948, 71224935, 75973264, 85469922, 94966580, 113959896, 128204883, 142449870, 151946528, 170939844, 189933160, 213674805, 227919792, 256409766, 284899740, 341879688, 379866320, 427349610, 455839584, 512819532, 569799480, 641024415, 683759376, 759732640, 854699220, 1025639064, 1139598960, 1282048830, 1367518752, 1709398440, 2051278128, 2279197920, 2564097660, 3418796880, 4102556256, 5128195320, 6837593760, 10256390640, 20512781280]

約数ペア:

[(1, 20512781280), (2, 10256390640), (3, 6837593760), (4, 5128195320), (5, 4102556256), (6, 3418796880), (8, 2564097660), (9, 2279197920), (10, 2051278128), (12, 1709398440), (15, 1367518752), (16, 1282048830), (18, 1139598960), (20, 1025639064), (24, 854699220), (27, 759732640), (30, 683759376), (32, 641024415), (36, 569799480), (40, 512819532), (45, 455839584), (48, 427349610), (54, 379866320), (60, 341879688), (72, 284899740), (80, 256409766), (90, 227919792), (96, 213674805), (108, 189933160), (120, 170939844), (135, 151946528), (144, 142449870), (160, 128204883), (180, 113959896), (216, 94966580), (240, 85469922), (270, 75973264), (288, 71224935), (360, 56979948), (432, 47483290), (480, 42734961), (540, 37986632), (720, 28489974), (864, 23741645), (1080, 18993316), (1440, 14244987), (1931, 10622880), (2160, 9496658), (2459, 8341920), (3862, 5311440), (4320, 4748329), (4918, 4170960), (5793, 3540960), (7377, 2780640), (7724, 2655720), (9655, 2124576), (9836, 2085480), (11586, 1770480), (12295, 1668384), (14754, 1390320), (15448, 1327860), (17379, 1180320), (19310, 1062288), (19672, 1042740), (22131, 926880), (23172, 885240), (24590, 834192), (28965, 708192), (29508, 695160), (30896, 663930), (34758, 590160), (36885, 556128), (38620, 531144), (39344, 521370), (44262, 463440), (46344, 442620), (49180, 417096), (52137, 393440), (57930, 354096), (59016, 347580), (61792, 331965), (66393, 308960), (69516, 295080), (73770, 278064), (77240, 265572), (78688, 260685), (86895, 236064), (88524, 231720), (92688, 221310), (98360, 208548), (104274, 196720), (110655, 185376), (115860, 177048), (118032, 173790), (132786, 154480), (139032, 147540)]