55475840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 162210600

約数和(自身を除く): 106734760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 61, 64, 70, 80, 98, 112, 116, 122, 128, 140, 145, 160, 196, 203, 224, 232, 244, 245, 280, 290, 305, 320, 392, 406, 427, 448, 464, 488, 490, 560, 580, 610, 640, 784, 812, 854, 896, 928, 976, 980, 1015, 1120, 1160, 1220, 1421, 1568, 1624, 1708, 1769, 1856, 1952, 1960, 2030, 2135, 2240, 2320, 2440, 2842, 2989, 3136, 3248, 3416, 3538, 3712, 3904, 3920, 4060, 4270, 4480, 4640, 4880, 5684, 5978, 6272, 6496, 6832, 7076, 7105, 7808, 7840, 8120, 8540, 8845, 9280, 9760, 11368, 11956, 12383, 12992, 13664, 14152, 14210, 14945, 15680, 16240, 17080, 17690, 18560, 19520, 22736, 23912, 24766, 25984, 27328, 28304, 28420, 29890, 31360, 32480, 34160, 35380, 39040, 45472, 47824, 49532, 54656, 56608, 56840, 59780, 61915, 64960, 68320, 70760, 86681, 90944, 95648, 99064, 113216, 113680, 119560, 123830, 129920, 136640, 141520, 173362, 181888, 191296, 198128, 226432, 227360, 239120, 247660, 273280, 283040, 346724, 382592, 396256, 433405, 454720, 478240, 495320, 566080, 693448, 792512, 866810, 909440, 956480, 990640, 1132160, 1386896, 1585024, 1733620, 1912960, 1981280, 2773792, 3467240, 3962560, 5547584, 6934480, 7925120, 11095168, 13868960, 27737920, 55475840]

約数ペア:

[(1, 55475840), (2, 27737920), (4, 13868960), (5, 11095168), (7, 7925120), (8, 6934480), (10, 5547584), (14, 3962560), (16, 3467240), (20, 2773792), (28, 1981280), (29, 1912960), (32, 1733620), (35, 1585024), (40, 1386896), (49, 1132160), (56, 990640), (58, 956480), (61, 909440), (64, 866810), (70, 792512), (80, 693448), (98, 566080), (112, 495320), (116, 478240), (122, 454720), (128, 433405), (140, 396256), (145, 382592), (160, 346724), (196, 283040), (203, 273280), (224, 247660), (232, 239120), (244, 227360), (245, 226432), (280, 198128), (290, 191296), (305, 181888), (320, 173362), (392, 141520), (406, 136640), (427, 129920), (448, 123830), (464, 119560), (488, 113680), (490, 113216), (560, 99064), (580, 95648), (610, 90944), (640, 86681), (784, 70760), (812, 68320), (854, 64960), (896, 61915), (928, 59780), (976, 56840), (980, 56608), (1015, 54656), (1120, 49532), (1160, 47824), (1220, 45472), (1421, 39040), (1568, 35380), (1624, 34160), (1708, 32480), (1769, 31360), (1856, 29890), (1952, 28420), (1960, 28304), (2030, 27328), (2135, 25984), (2240, 24766), (2320, 23912), (2440, 22736), (2842, 19520), (2989, 18560), (3136, 17690), (3248, 17080), (3416, 16240), (3538, 15680), (3712, 14945), (3904, 14210), (3920, 14152), (4060, 13664), (4270, 12992), (4480, 12383), (4640, 11956), (4880, 11368), (5684, 9760), (5978, 9280), (6272, 8845), (6496, 8540), (6832, 8120), (7076, 7840), (7105, 7808)]