20120040120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{523}}^1$

素因数の和:962

約数の個数: 256

約数和(自身を含む): 65193984000

約数和(自身を除く): 45073943880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 188, 190, 228, 235, 282, 285, 359, 376, 380, 456, 470, 523, 564, 570, 705, 718, 760, 893, 940, 1046, 1077, 1128, 1140, 1410, 1436, 1569, 1786, 1795, 1880, 2092, 2154, 2280, 2615, 2679, 2820, 2872, 3138, 3572, 3590, 4184, 4308, 4465, 5230, 5358, 5385, 5640, 6276, 6821, 7144, 7180, 7845, 8616, 8930, 9937, 10460, 10716, 10770, 12552, 13395, 13642, 14360, 15690, 16873, 17860, 19874, 20463, 20920, 21432, 21540, 24581, 26790, 27284, 29811, 31380, 33746, 34105, 35720, 39748, 40926, 43080, 49162, 49685, 50619, 53580, 54568, 59622, 62760, 67492, 68210, 73743, 79496, 81852, 84365, 98324, 99370, 101238, 102315, 107160, 119244, 122905, 134984, 136420, 147486, 149055, 163704, 168730, 187757, 196648, 198740, 202476, 204630, 238488, 245810, 253095, 272840, 294972, 298110, 320587, 337460, 368715, 375514, 397480, 404952, 409260, 467039, 491620, 506190, 563271, 589944, 596220, 641174, 674920, 737430, 751028, 818520, 934078, 938785, 961761, 983240, 1012380, 1126542, 1192440, 1282348, 1401117, 1474860, 1502056, 1602935, 1868156, 1877570, 1923522, 2024760, 2253084, 2335195, 2564696, 2802234, 2816355, 2949720, 3205870, 3567383, 3736312, 3755140, 3847044, 4506168, 4670390, 4808805, 5604468, 5632710, 6411740, 7005585, 7134766, 7510280, 7694088, 8824579, 9340780, 9617610, 10702149, 11208936, 11265420, 12823480, 14011170, 14269532, 17649158, 17836915, 18681560, 19235220, 21404298, 22530840, 26473737, 28022340, 28539064, 35298316, 35673830, 38470440, 42808596, 44122895, 52947474, 53510745, 56044680, 70596632, 71347660, 85617192, 88245790, 105894948, 107021490, 132368685, 142695320, 167667001, 176491580, 211789896, 214042980, 264737370, 335334002, 352983160, 428085960, 503001003, 529474740, 670668004, 838335005, 1006002006, 1058949480, 1341336008, 1676670010, 2012004012, 2515005015, 3353340020, 4024008024, 5030010030, 6706680040, 10060020060, 20120040120]

約数ペア:

[(1, 20120040120), (2, 10060020060), (3, 6706680040), (4, 5030010030), (5, 4024008024), (6, 3353340020), (8, 2515005015), (10, 2012004012), (12, 1676670010), (15, 1341336008), (19, 1058949480), (20, 1006002006), (24, 838335005), (30, 670668004), (38, 529474740), (40, 503001003), (47, 428085960), (57, 352983160), (60, 335334002), (76, 264737370), (94, 214042980), (95, 211789896), (114, 176491580), (120, 167667001), (141, 142695320), (152, 132368685), (188, 107021490), (190, 105894948), (228, 88245790), (235, 85617192), (282, 71347660), (285, 70596632), (359, 56044680), (376, 53510745), (380, 52947474), (456, 44122895), (470, 42808596), (523, 38470440), (564, 35673830), (570, 35298316), (705, 28539064), (718, 28022340), (760, 26473737), (893, 22530840), (940, 21404298), (1046, 19235220), (1077, 18681560), (1128, 17836915), (1140, 17649158), (1410, 14269532), (1436, 14011170), (1569, 12823480), (1786, 11265420), (1795, 11208936), (1880, 10702149), (2092, 9617610), (2154, 9340780), (2280, 8824579), (2615, 7694088), (2679, 7510280), (2820, 7134766), (2872, 7005585), (3138, 6411740), (3572, 5632710), (3590, 5604468), (4184, 4808805), (4308, 4670390), (4465, 4506168), (5230, 3847044), (5358, 3755140), (5385, 3736312), (5640, 3567383), (6276, 3205870), (6821, 2949720), (7144, 2816355), (7180, 2802234), (7845, 2564696), (8616, 2335195), (8930, 2253084), (9937, 2024760), (10460, 1923522), (10716, 1877570), (10770, 1868156), (12552, 1602935), (13395, 1502056), (13642, 1474860), (14360, 1401117), (15690, 1282348), (16873, 1192440), (17860, 1126542), (19874, 1012380), (20463, 983240), (20920, 961761), (21432, 938785), (21540, 934078), (24581, 818520), (26790, 751028), (27284, 737430), (29811, 674920), (31380, 641174), (33746, 596220), (34105, 589944), (35720, 563271), (39748, 506190), (40926, 491620), (43080, 467039), (49162, 409260), (49685, 404952), (50619, 397480), (53580, 375514), (54568, 368715), (59622, 337460), (62760, 320587), (67492, 298110), (68210, 294972), (73743, 272840), (79496, 253095), (81852, 245810), (84365, 238488), (98324, 204630), (99370, 202476), (101238, 198740), (102315, 196648), (107160, 187757), (119244, 168730), (122905, 163704), (134984, 149055), (136420, 147486)]