613131520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1483}}^1$

素因数の和:1540

約数の個数: 144

約数和(自身を含む): 1637979840

約数和(自身を除く): 1024848320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1280, 1292, 1360, 1483, 1520, 1615, 2176, 2432, 2584, 2720, 2966, 3040, 3230, 4352, 4864, 5168, 5440, 5932, 6080, 6460, 7415, 10336, 10880, 11864, 12160, 12920, 14830, 20672, 21760, 23728, 24320, 25211, 25840, 28177, 29660, 41344, 47456, 50422, 51680, 56354, 59320, 82688, 94912, 100844, 103360, 112708, 118640, 126055, 140885, 189824, 201688, 206720, 225416, 237280, 252110, 281770, 379648, 403376, 413440, 450832, 474560, 479009, 504220, 563540, 806752, 901664, 949120, 958018, 1008440, 1127080, 1613504, 1803328, 1898240, 1916036, 2016880, 2254160, 2395045, 3227008, 3606656, 3832072, 4033760, 4508320, 4790090, 6454016, 7213312, 7664144, 8067520, 9016640, 9580180, 15328288, 16135040, 18033280, 19160360, 30656576, 32270080, 36066560, 38320720, 61313152, 76641440, 122626304, 153282880, 306565760, 613131520]

約数ペア:

[(1, 613131520), (2, 306565760), (4, 153282880), (5, 122626304), (8, 76641440), (10, 61313152), (16, 38320720), (17, 36066560), (19, 32270080), (20, 30656576), (32, 19160360), (34, 18033280), (38, 16135040), (40, 15328288), (64, 9580180), (68, 9016640), (76, 8067520), (80, 7664144), (85, 7213312), (95, 6454016), (128, 4790090), (136, 4508320), (152, 4033760), (160, 3832072), (170, 3606656), (190, 3227008), (256, 2395045), (272, 2254160), (304, 2016880), (320, 1916036), (323, 1898240), (340, 1803328), (380, 1613504), (544, 1127080), (608, 1008440), (640, 958018), (646, 949120), (680, 901664), (760, 806752), (1088, 563540), (1216, 504220), (1280, 479009), (1292, 474560), (1360, 450832), (1483, 413440), (1520, 403376), (1615, 379648), (2176, 281770), (2432, 252110), (2584, 237280), (2720, 225416), (2966, 206720), (3040, 201688), (3230, 189824), (4352, 140885), (4864, 126055), (5168, 118640), (5440, 112708), (5932, 103360), (6080, 100844), (6460, 94912), (7415, 82688), (10336, 59320), (10880, 56354), (11864, 51680), (12160, 50422), (12920, 47456), (14830, 41344), (20672, 29660), (21760, 28177), (23728, 25840), (24320, 25211)]