821550840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1254

約数の個数: 256

約数和(自身を含む): 2941194240

約数和(自身を除く): 2119643400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 31, 33, 34, 40, 44, 51, 55, 60, 62, 66, 68, 85, 88, 93, 102, 110, 120, 124, 132, 136, 155, 165, 170, 186, 187, 204, 220, 248, 255, 264, 310, 330, 340, 341, 372, 374, 408, 440, 465, 510, 527, 561, 620, 660, 680, 682, 744, 748, 930, 935, 1020, 1023, 1054, 1122, 1181, 1240, 1320, 1364, 1496, 1581, 1705, 1860, 1870, 2040, 2046, 2108, 2244, 2362, 2635, 2728, 2805, 3162, 3410, 3543, 3720, 3740, 4092, 4216, 4488, 4724, 5115, 5270, 5610, 5797, 5905, 6324, 6820, 7086, 7480, 7905, 8184, 9448, 10230, 10540, 11220, 11594, 11810, 12648, 12991, 13640, 14172, 15810, 17391, 17715, 20077, 20460, 21080, 22440, 23188, 23620, 25982, 28344, 28985, 31620, 34782, 35430, 36611, 38973, 40154, 40920, 46376, 47240, 51964, 57970, 60231, 63240, 64955, 69564, 70860, 73222, 77946, 80308, 86955, 100385, 103928, 109833, 115940, 120462, 129910, 139128, 141720, 146444, 155892, 160616, 173910, 183055, 194865, 200770, 219666, 220847, 231880, 240924, 259820, 292888, 301155, 311784, 347820, 366110, 389730, 401540, 402721, 439332, 441694, 481848, 519640, 549165, 602310, 622387, 662541, 695640, 732220, 779460, 803080, 805442, 878664, 883388, 1098330, 1104235, 1204620, 1208163, 1244774, 1325082, 1464440, 1558920, 1610884, 1766776, 1867161, 2013605, 2196660, 2208470, 2409240, 2416326, 2489548, 2650164, 3111935, 3221768, 3312705, 3734322, 4027210, 4393320, 4416940, 4832652, 4979096, 5300328, 6040815, 6223870, 6625410, 6846257, 7468644, 8054420, 8833880, 9335805, 9665304, 12081630, 12447740, 13250820, 13692514, 14937288, 16108840, 18671610, 20538771, 24163260, 24895480, 26501640, 27385028, 34231285, 37343220, 41077542, 48326520, 54770056, 68462570, 74686440, 82155084, 102693855, 136925140, 164310168, 205387710, 273850280, 410775420, 821550840]

約数ペア:

[(1, 821550840), (2, 410775420), (3, 273850280), (4, 205387710), (5, 164310168), (6, 136925140), (8, 102693855), (10, 82155084), (11, 74686440), (12, 68462570), (15, 54770056), (17, 48326520), (20, 41077542), (22, 37343220), (24, 34231285), (30, 27385028), (31, 26501640), (33, 24895480), (34, 24163260), (40, 20538771), (44, 18671610), (51, 16108840), (55, 14937288), (60, 13692514), (62, 13250820), (66, 12447740), (68, 12081630), (85, 9665304), (88, 9335805), (93, 8833880), (102, 8054420), (110, 7468644), (120, 6846257), (124, 6625410), (132, 6223870), (136, 6040815), (155, 5300328), (165, 4979096), (170, 4832652), (186, 4416940), (187, 4393320), (204, 4027210), (220, 3734322), (248, 3312705), (255, 3221768), (264, 3111935), (310, 2650164), (330, 2489548), (340, 2416326), (341, 2409240), (372, 2208470), (374, 2196660), (408, 2013605), (440, 1867161), (465, 1766776), (510, 1610884), (527, 1558920), (561, 1464440), (620, 1325082), (660, 1244774), (680, 1208163), (682, 1204620), (744, 1104235), (748, 1098330), (930, 883388), (935, 878664), (1020, 805442), (1023, 803080), (1054, 779460), (1122, 732220), (1181, 695640), (1240, 662541), (1320, 622387), (1364, 602310), (1496, 549165), (1581, 519640), (1705, 481848), (1860, 441694), (1870, 439332), (2040, 402721), (2046, 401540), (2108, 389730), (2244, 366110), (2362, 347820), (2635, 311784), (2728, 301155), (2805, 292888), (3162, 259820), (3410, 240924), (3543, 231880), (3720, 220847), (3740, 219666), (4092, 200770), (4216, 194865), (4488, 183055), (4724, 173910), (5115, 160616), (5270, 155892), (5610, 146444), (5797, 141720), (5905, 139128), (6324, 129910), (6820, 120462), (7086, 115940), (7480, 109833), (7905, 103928), (8184, 100385), (9448, 86955), (10230, 80308), (10540, 77946), (11220, 73222), (11594, 70860), (11810, 69564), (12648, 64955), (12991, 63240), (13640, 60231), (14172, 57970), (15810, 51964), (17391, 47240), (17715, 46376), (20077, 40920), (20460, 40154), (21080, 38973), (22440, 36611), (23188, 35430), (23620, 34782), (25982, 31620), (28344, 28985)]