20216447280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{2069}}^1$

素因数の和:2460

約数の個数: 240

約数和(自身を含む): 69793345440

約数和(自身を除く): 49576898160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 331, 360, 369, 410, 492, 615, 656, 662, 720, 738, 820, 984, 993, 1230, 1324, 1476, 1640, 1655, 1845, 1968, 1986, 2069, 2460, 2648, 2952, 2979, 3280, 3310, 3690, 3972, 4138, 4920, 4965, 5296, 5904, 5958, 6207, 6620, 7380, 7944, 8276, 9840, 9930, 10345, 11916, 12414, 13240, 13571, 14760, 14895, 15888, 16552, 18621, 19860, 20690, 23832, 24828, 26480, 27142, 29520, 29790, 31035, 33104, 37242, 39720, 40713, 41380, 47664, 49656, 54284, 59580, 62070, 67855, 74484, 79440, 81426, 82760, 84829, 93105, 99312, 108568, 119160, 122139, 124140, 135710, 148968, 162852, 165520, 169658, 186210, 203565, 217136, 238320, 244278, 248280, 254487, 271420, 297936, 325704, 339316, 372420, 407130, 424145, 488556, 496560, 508974, 542840, 610695, 651408, 678632, 684839, 744840, 763461, 814260, 848290, 977112, 1017948, 1085680, 1221390, 1272435, 1357264, 1369678, 1489680, 1526922, 1628520, 1696580, 1954224, 2035896, 2054517, 2442780, 2544870, 2739356, 3053844, 3257040, 3393160, 3424195, 3817305, 4071792, 4109034, 4885560, 5089740, 5478712, 6107688, 6163551, 6786320, 6848390, 7634610, 8218068, 9771120, 10179480, 10272585, 10957424, 12215376, 12327102, 13696780, 15269220, 16436136, 20358960, 20545170, 24654204, 27393560, 28078399, 30538440, 30817755, 32872272, 41090340, 49308408, 54787120, 56156798, 61076880, 61635510, 82180680, 84235197, 98616816, 112313596, 123271020, 140391995, 164361360, 168470394, 224627192, 246542040, 252705591, 280783990, 336940788, 421175985, 449254384, 493084080, 505411182, 561567980, 673881576, 842351970, 1010822364, 1123135960, 1263527955, 1347763152, 1684703940, 2021644728, 2246271920, 2527055910, 3369407880, 4043289456, 5054111820, 6738815760, 10108223640, 20216447280]

約数ペア:

[(1, 20216447280), (2, 10108223640), (3, 6738815760), (4, 5054111820), (5, 4043289456), (6, 3369407880), (8, 2527055910), (9, 2246271920), (10, 2021644728), (12, 1684703940), (15, 1347763152), (16, 1263527955), (18, 1123135960), (20, 1010822364), (24, 842351970), (30, 673881576), (36, 561567980), (40, 505411182), (41, 493084080), (45, 449254384), (48, 421175985), (60, 336940788), (72, 280783990), (80, 252705591), (82, 246542040), (90, 224627192), (120, 168470394), (123, 164361360), (144, 140391995), (164, 123271020), (180, 112313596), (205, 98616816), (240, 84235197), (246, 82180680), (328, 61635510), (331, 61076880), (360, 56156798), (369, 54787120), (410, 49308408), (492, 41090340), (615, 32872272), (656, 30817755), (662, 30538440), (720, 28078399), (738, 27393560), (820, 24654204), (984, 20545170), (993, 20358960), (1230, 16436136), (1324, 15269220), (1476, 13696780), (1640, 12327102), (1655, 12215376), (1845, 10957424), (1968, 10272585), (1986, 10179480), (2069, 9771120), (2460, 8218068), (2648, 7634610), (2952, 6848390), (2979, 6786320), (3280, 6163551), (3310, 6107688), (3690, 5478712), (3972, 5089740), (4138, 4885560), (4920, 4109034), (4965, 4071792), (5296, 3817305), (5904, 3424195), (5958, 3393160), (6207, 3257040), (6620, 3053844), (7380, 2739356), (7944, 2544870), (8276, 2442780), (9840, 2054517), (9930, 2035896), (10345, 1954224), (11916, 1696580), (12414, 1628520), (13240, 1526922), (13571, 1489680), (14760, 1369678), (14895, 1357264), (15888, 1272435), (16552, 1221390), (18621, 1085680), (19860, 1017948), (20690, 977112), (23832, 848290), (24828, 814260), (26480, 763461), (27142, 744840), (29520, 684839), (29790, 678632), (31035, 651408), (33104, 610695), (37242, 542840), (39720, 508974), (40713, 496560), (41380, 488556), (47664, 424145), (49656, 407130), (54284, 372420), (59580, 339316), (62070, 325704), (67855, 297936), (74484, 271420), (79440, 254487), (81426, 248280), (82760, 244278), (84829, 238320), (93105, 217136), (99312, 203565), (108568, 186210), (119160, 169658), (122139, 165520), (124140, 162852), (135710, 148968)]