508811680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:679

約数の個数: 144

約数和(自身を含む): 1345849344

約数和(自身を除く): 837037664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 338, 403, 416, 496, 520, 607, 620, 676, 806, 845, 992, 1040, 1214, 1240, 1352, 1612, 1690, 2015, 2080, 2428, 2480, 2704, 3035, 3224, 3380, 4030, 4856, 4960, 5239, 5408, 6070, 6448, 6760, 7891, 8060, 9712, 10478, 12140, 12896, 13520, 15782, 16120, 18817, 19424, 20956, 24280, 26195, 27040, 31564, 32240, 37634, 39455, 41912, 48560, 52390, 63128, 64480, 75268, 78910, 83824, 94085, 97120, 102583, 104780, 126256, 150536, 157820, 167648, 188170, 205166, 209560, 244621, 252512, 301072, 315640, 376340, 410332, 419120, 489242, 512915, 602144, 631280, 752680, 820664, 838240, 978484, 1025830, 1223105, 1262560, 1505360, 1641328, 1956968, 2051660, 2446210, 3010720, 3180073, 3282656, 3913936, 4103320, 4892420, 6360146, 7827872, 8206640, 9784840, 12720292, 15900365, 16413280, 19569680, 25440584, 31800730, 39139360, 50881168, 63601460, 101762336, 127202920, 254405840, 508811680]

約数ペア:

[(1, 508811680), (2, 254405840), (4, 127202920), (5, 101762336), (8, 63601460), (10, 50881168), (13, 39139360), (16, 31800730), (20, 25440584), (26, 19569680), (31, 16413280), (32, 15900365), (40, 12720292), (52, 9784840), (62, 8206640), (65, 7827872), (80, 6360146), (104, 4892420), (124, 4103320), (130, 3913936), (155, 3282656), (160, 3180073), (169, 3010720), (208, 2446210), (248, 2051660), (260, 1956968), (310, 1641328), (338, 1505360), (403, 1262560), (416, 1223105), (496, 1025830), (520, 978484), (607, 838240), (620, 820664), (676, 752680), (806, 631280), (845, 602144), (992, 512915), (1040, 489242), (1214, 419120), (1240, 410332), (1352, 376340), (1612, 315640), (1690, 301072), (2015, 252512), (2080, 244621), (2428, 209560), (2480, 205166), (2704, 188170), (3035, 167648), (3224, 157820), (3380, 150536), (4030, 126256), (4856, 104780), (4960, 102583), (5239, 97120), (5408, 94085), (6070, 83824), (6448, 78910), (6760, 75268), (7891, 64480), (8060, 63128), (9712, 52390), (10478, 48560), (12140, 41912), (12896, 39455), (13520, 37634), (15782, 32240), (16120, 31564), (18817, 27040), (19424, 26195), (20956, 24280)]