421258880

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 1248480000

約数和(自身を除く): 827221120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 101, 112, 128, 133, 140, 152, 160, 190, 196, 202, 224, 245, 266, 280, 304, 320, 343, 380, 392, 404, 448, 490, 505, 532, 560, 608, 640, 665, 686, 707, 760, 784, 808, 896, 931, 980, 1010, 1064, 1120, 1216, 1330, 1372, 1414, 1520, 1568, 1616, 1715, 1862, 1919, 1960, 2020, 2128, 2240, 2432, 2660, 2744, 2828, 3040, 3136, 3232, 3430, 3535, 3724, 3838, 3920, 4040, 4256, 4480, 4655, 4949, 5320, 5488, 5656, 6080, 6272, 6464, 6517, 6860, 7070, 7448, 7676, 7840, 8080, 8512, 9310, 9595, 9898, 10640, 10976, 11312, 12160, 12928, 13034, 13433, 13720, 14140, 14896, 15352, 15680, 16160, 17024, 18620, 19190, 19796, 21280, 21952, 22624, 24745, 26068, 26866, 27440, 28280, 29792, 30704, 31360, 32320, 32585, 34643, 37240, 38380, 39592, 42560, 43904, 45248, 49490, 52136, 53732, 54880, 56560, 59584, 61408, 64640, 65170, 67165, 69286, 74480, 76760, 79184, 85120, 90496, 94031, 98980, 104272, 107464, 109760, 113120, 119168, 122816, 130340, 134330, 138572, 148960, 153520, 158368, 173215, 188062, 197960, 208544, 214928, 219520, 226240, 245632, 260680, 268660, 277144, 297920, 307040, 316736, 346430, 376124, 395920, 417088, 429856, 452480, 470155, 521360, 537320, 554288, 595840, 614080, 633472, 658217, 692860, 752248, 791840, 834176, 859712, 940310, 1042720, 1074640, 1108576, 1228160, 1316434, 1385720, 1504496, 1583680, 1719424, 1880620, 2085440, 2149280, 2217152, 2632868, 2771440, 3008992, 3167360, 3291085, 3761240, 4170880, 4298560, 4434304, 5265736, 5542880, 6017984, 6582170, 7522480, 8597120, 10531472, 11085760, 12035968, 13164340, 15044960, 21062944, 22171520, 26328680, 30089920, 42125888, 52657360, 60179840, 84251776, 105314720, 210629440, 421258880]

約数ペア:

[(1, 421258880), (2, 210629440), (4, 105314720), (5, 84251776), (7, 60179840), (8, 52657360), (10, 42125888), (14, 30089920), (16, 26328680), (19, 22171520), (20, 21062944), (28, 15044960), (32, 13164340), (35, 12035968), (38, 11085760), (40, 10531472), (49, 8597120), (56, 7522480), (64, 6582170), (70, 6017984), (76, 5542880), (80, 5265736), (95, 4434304), (98, 4298560), (101, 4170880), (112, 3761240), (128, 3291085), (133, 3167360), (140, 3008992), (152, 2771440), (160, 2632868), (190, 2217152), (196, 2149280), (202, 2085440), (224, 1880620), (245, 1719424), (266, 1583680), (280, 1504496), (304, 1385720), (320, 1316434), (343, 1228160), (380, 1108576), (392, 1074640), (404, 1042720), (448, 940310), (490, 859712), (505, 834176), (532, 791840), (560, 752248), (608, 692860), (640, 658217), (665, 633472), (686, 614080), (707, 595840), (760, 554288), (784, 537320), (808, 521360), (896, 470155), (931, 452480), (980, 429856), (1010, 417088), (1064, 395920), (1120, 376124), (1216, 346430), (1330, 316736), (1372, 307040), (1414, 297920), (1520, 277144), (1568, 268660), (1616, 260680), (1715, 245632), (1862, 226240), (1919, 219520), (1960, 214928), (2020, 208544), (2128, 197960), (2240, 188062), (2432, 173215), (2660, 158368), (2744, 153520), (2828, 148960), (3040, 138572), (3136, 134330), (3232, 130340), (3430, 122816), (3535, 119168), (3724, 113120), (3838, 109760), (3920, 107464), (4040, 104272), (4256, 98980), (4480, 94031), (4655, 90496), (4949, 85120), (5320, 79184), (5488, 76760), (5656, 74480), (6080, 69286), (6272, 67165), (6464, 65170), (6517, 64640), (6860, 61408), (7070, 59584), (7448, 56560), (7676, 54880), (7840, 53732), (8080, 52136), (8512, 49490), (9310, 45248), (9595, 43904), (9898, 42560), (10640, 39592), (10976, 38380), (11312, 37240), (12160, 34643), (12928, 32585), (13034, 32320), (13433, 31360), (13720, 30704), (14140, 29792), (14896, 28280), (15352, 27440), (15680, 26866), (16160, 26068), (17024, 24745), (18620, 22624), (19190, 21952), (19796, 21280)]