20649385440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1\times {\mathrm{997}}^1$

素因数の和:1794

約数の個数: 288

約数和(自身を含む): 74347247520

約数和(自身を除く): 53697862080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 757, 760, 855, 912, 997, 1140, 1368, 1440, 1514, 1520, 1710, 1824, 1994, 2271, 2280, 2736, 2991, 3028, 3040, 3420, 3785, 3988, 4542, 4560, 4985, 5472, 5982, 6056, 6813, 6840, 7570, 7976, 8973, 9084, 9120, 9970, 11355, 11964, 12112, 13626, 13680, 14383, 14955, 15140, 15952, 17946, 18168, 18943, 19940, 22710, 23928, 24224, 27252, 27360, 28766, 29910, 30280, 31904, 34065, 35892, 36336, 37886, 39880, 43149, 44865, 45420, 47856, 54504, 56829, 57532, 59820, 60560, 68130, 71784, 71915, 72672, 75772, 79760, 86298, 89730, 90840, 94715, 95712, 109008, 113658, 115064, 119640, 121120, 129447, 136260, 143568, 143830, 151544, 159520, 170487, 172596, 179460, 181680, 189430, 215745, 218016, 227316, 230128, 239280, 258894, 272520, 284145, 287136, 287660, 303088, 340974, 345192, 358920, 363360, 378860, 431490, 454632, 460256, 478560, 517788, 545040, 568290, 575320, 606176, 647235, 681948, 690384, 717840, 754729, 757720, 852435, 862980, 909264, 1035576, 1090080, 1136580, 1150640, 1294470, 1363896, 1380768, 1435680, 1509458, 1515440, 1704870, 1725960, 1818528, 2071152, 2264187, 2273160, 2301280, 2588940, 2727792, 3018916, 3030880, 3409740, 3451920, 3773645, 4142304, 4528374, 4546320, 5177880, 5455584, 6037832, 6792561, 6819480, 6903840, 7547290, 9056748, 9092640, 10355760, 11320935, 12075664, 13585122, 13638960, 14339851, 15094580, 18113496, 20711520, 22641870, 24151328, 27170244, 27277920, 28679702, 30189160, 33962805, 36226992, 43019553, 45283740, 54340488, 57359404, 60378320, 67925610, 71699255, 72453984, 86039106, 90567480, 108680976, 114718808, 120756640, 129058659, 135851220, 143398510, 172078212, 181134960, 215097765, 217361952, 229437616, 258117318, 271702440, 286797020, 344156424, 362269920, 430195530, 458875232, 516234636, 543404880, 573594040, 645293295, 688312848, 860391060, 1032469272, 1086809760, 1147188080, 1290586590, 1376625696, 1720782120, 2064938544, 2294376160, 2581173180, 3441564240, 4129877088, 5162346360, 6883128480, 10324692720, 20649385440]

約数ペア:

[(1, 20649385440), (2, 10324692720), (3, 6883128480), (4, 5162346360), (5, 4129877088), (6, 3441564240), (8, 2581173180), (9, 2294376160), (10, 2064938544), (12, 1720782120), (15, 1376625696), (16, 1290586590), (18, 1147188080), (19, 1086809760), (20, 1032469272), (24, 860391060), (30, 688312848), (32, 645293295), (36, 573594040), (38, 543404880), (40, 516234636), (45, 458875232), (48, 430195530), (57, 362269920), (60, 344156424), (72, 286797020), (76, 271702440), (80, 258117318), (90, 229437616), (95, 217361952), (96, 215097765), (114, 181134960), (120, 172078212), (144, 143398510), (152, 135851220), (160, 129058659), (171, 120756640), (180, 114718808), (190, 108680976), (228, 90567480), (240, 86039106), (285, 72453984), (288, 71699255), (304, 67925610), (342, 60378320), (360, 57359404), (380, 54340488), (456, 45283740), (480, 43019553), (570, 36226992), (608, 33962805), (684, 30189160), (720, 28679702), (757, 27277920), (760, 27170244), (855, 24151328), (912, 22641870), (997, 20711520), (1140, 18113496), (1368, 15094580), (1440, 14339851), (1514, 13638960), (1520, 13585122), (1710, 12075664), (1824, 11320935), (1994, 10355760), (2271, 9092640), (2280, 9056748), (2736, 7547290), (2991, 6903840), (3028, 6819480), (3040, 6792561), (3420, 6037832), (3785, 5455584), (3988, 5177880), (4542, 4546320), (4560, 4528374), (4985, 4142304), (5472, 3773645), (5982, 3451920), (6056, 3409740), (6813, 3030880), (6840, 3018916), (7570, 2727792), (7976, 2588940), (8973, 2301280), (9084, 2273160), (9120, 2264187), (9970, 2071152), (11355, 1818528), (11964, 1725960), (12112, 1704870), (13626, 1515440), (13680, 1509458), (14383, 1435680), (14955, 1380768), (15140, 1363896), (15952, 1294470), (17946, 1150640), (18168, 1136580), (18943, 1090080), (19940, 1035576), (22710, 909264), (23928, 862980), (24224, 852435), (27252, 757720), (27360, 754729), (28766, 717840), (29910, 690384), (30280, 681948), (31904, 647235), (34065, 606176), (35892, 575320), (36336, 568290), (37886, 545040), (39880, 517788), (43149, 478560), (44865, 460256), (45420, 454632), (47856, 431490), (54504, 378860), (56829, 363360), (57532, 358920), (59820, 345192), (60560, 340974), (68130, 303088), (71784, 287660), (71915, 287136), (72672, 284145), (75772, 272520), (79760, 258894), (86298, 239280), (89730, 230128), (90840, 227316), (94715, 218016), (95712, 215745), (109008, 189430), (113658, 181680), (115064, 179460), (119640, 172596), (121120, 170487), (129447, 159520), (136260, 151544), (143568, 143830)]