20218272480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{2053}}^1$

素因数の和:3058

約数の個数: 288

約数和(自身を含む): 78970417344

約数和(自身を除く): 58752144864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 977, 1008, 1120, 1260, 1440, 1680, 1954, 2016, 2053, 2520, 2931, 3360, 3908, 4106, 4885, 5040, 5862, 6159, 6839, 7816, 8212, 8793, 9770, 10080, 10265, 11724, 12318, 13678, 14371, 14655, 15632, 16424, 17586, 18477, 19540, 20517, 20530, 23448, 24636, 27356, 28742, 29310, 30795, 31264, 32848, 34195, 35172, 36954, 39080, 41034, 41060, 43113, 43965, 46896, 49272, 54712, 57484, 58620, 61551, 61590, 65696, 68390, 70344, 71855, 73908, 78160, 82068, 82120, 86226, 87930, 92385, 93792, 98544, 102585, 109424, 114968, 117240, 123102, 123180, 129339, 136780, 140688, 143710, 147816, 156320, 164136, 164240, 172452, 175860, 184770, 197088, 205170, 215565, 218848, 229936, 234480, 246204, 246360, 258678, 273560, 281376, 287420, 295632, 307755, 328272, 328480, 344904, 351720, 369540, 410340, 431130, 459872, 468960, 492408, 492720, 517356, 547120, 574840, 591264, 615510, 646695, 656544, 689808, 703440, 739080, 820680, 862260, 984816, 985440, 1034712, 1094240, 1149680, 1231020, 1293390, 1379616, 1406880, 1478160, 1641360, 1724520, 1969632, 2005781, 2069424, 2299360, 2462040, 2586780, 2956320, 3282720, 3449040, 4011562, 4138848, 4924080, 5173560, 6017343, 6898080, 8023124, 9848160, 10028905, 10347120, 12034686, 14040467, 16046248, 18052029, 20057810, 20694240, 24069372, 28080934, 30086715, 32092496, 36104058, 40115620, 42121401, 48138744, 56161868, 60173430, 64184992, 70202335, 72208116, 80231240, 84242802, 90260145, 96277488, 112323736, 120346860, 126364203, 140404670, 144416232, 160462480, 168485604, 180520290, 192554976, 210607005, 224647472, 240693720, 252728406, 280809340, 288832464, 320924960, 336971208, 361040580, 421214010, 449294944, 481387440, 505456812, 561618680, 577664928, 631821015, 673942416, 722081160, 842428020, 962774880, 1010913624, 1123237360, 1263642030, 1347884832, 1444162320, 1684856040, 2021827248, 2246474720, 2527284060, 2888324640, 3369712080, 4043654496, 5054568120, 6739424160, 10109136240, 20218272480]

約数ペア:

[(1, 20218272480), (2, 10109136240), (3, 6739424160), (4, 5054568120), (5, 4043654496), (6, 3369712080), (7, 2888324640), (8, 2527284060), (9, 2246474720), (10, 2021827248), (12, 1684856040), (14, 1444162320), (15, 1347884832), (16, 1263642030), (18, 1123237360), (20, 1010913624), (21, 962774880), (24, 842428020), (28, 722081160), (30, 673942416), (32, 631821015), (35, 577664928), (36, 561618680), (40, 505456812), (42, 481387440), (45, 449294944), (48, 421214010), (56, 361040580), (60, 336971208), (63, 320924960), (70, 288832464), (72, 280809340), (80, 252728406), (84, 240693720), (90, 224647472), (96, 210607005), (105, 192554976), (112, 180520290), (120, 168485604), (126, 160462480), (140, 144416232), (144, 140404670), (160, 126364203), (168, 120346860), (180, 112323736), (210, 96277488), (224, 90260145), (240, 84242802), (252, 80231240), (280, 72208116), (288, 70202335), (315, 64184992), (336, 60173430), (360, 56161868), (420, 48138744), (480, 42121401), (504, 40115620), (560, 36104058), (630, 32092496), (672, 30086715), (720, 28080934), (840, 24069372), (977, 20694240), (1008, 20057810), (1120, 18052029), (1260, 16046248), (1440, 14040467), (1680, 12034686), (1954, 10347120), (2016, 10028905), (2053, 9848160), (2520, 8023124), (2931, 6898080), (3360, 6017343), (3908, 5173560), (4106, 4924080), (4885, 4138848), (5040, 4011562), (5862, 3449040), (6159, 3282720), (6839, 2956320), (7816, 2586780), (8212, 2462040), (8793, 2299360), (9770, 2069424), (10080, 2005781), (10265, 1969632), (11724, 1724520), (12318, 1641360), (13678, 1478160), (14371, 1406880), (14655, 1379616), (15632, 1293390), (16424, 1231020), (17586, 1149680), (18477, 1094240), (19540, 1034712), (20517, 985440), (20530, 984816), (23448, 862260), (24636, 820680), (27356, 739080), (28742, 703440), (29310, 689808), (30795, 656544), (31264, 646695), (32848, 615510), (34195, 591264), (35172, 574840), (36954, 547120), (39080, 517356), (41034, 492720), (41060, 492408), (43113, 468960), (43965, 459872), (46896, 431130), (49272, 410340), (54712, 369540), (57484, 351720), (58620, 344904), (61551, 328480), (61590, 328272), (65696, 307755), (68390, 295632), (70344, 287420), (71855, 281376), (73908, 273560), (78160, 258678), (82068, 246360), (82120, 246204), (86226, 234480), (87930, 229936), (92385, 218848), (93792, 215565), (98544, 205170), (102585, 197088), (109424, 184770), (114968, 175860), (117240, 172452), (123102, 164240), (123180, 164136), (129339, 156320), (136780, 147816), (140688, 143710)]