328525600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1083

約数の個数: 144

約数和(自身を含む): 892442880

約数和(自身を除く): 563917280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 325, 400, 403, 416, 496, 520, 620, 650, 775, 800, 806, 992, 1019, 1040, 1240, 1300, 1550, 1612, 2015, 2038, 2080, 2480, 2600, 3100, 3224, 4030, 4076, 4960, 5095, 5200, 6200, 6448, 8060, 8152, 10075, 10190, 10400, 12400, 12896, 13247, 16120, 16304, 20150, 20380, 24800, 25475, 26494, 31589, 32240, 32608, 40300, 40760, 50950, 52988, 63178, 64480, 66235, 80600, 81520, 101900, 105976, 126356, 132470, 157945, 161200, 163040, 203800, 211952, 252712, 264940, 315890, 322400, 331175, 407600, 410657, 423904, 505424, 529880, 631780, 662350, 789725, 815200, 821314, 1010848, 1059760, 1263560, 1324700, 1579450, 1642628, 2053285, 2119520, 2527120, 2649400, 3158900, 3285256, 4106570, 5054240, 5298800, 6317800, 6570512, 8213140, 10266425, 10597600, 12635600, 13141024, 16426280, 20532850, 25271200, 32852560, 41065700, 65705120, 82131400, 164262800, 328525600]

約数ペア:

[(1, 328525600), (2, 164262800), (4, 82131400), (5, 65705120), (8, 41065700), (10, 32852560), (13, 25271200), (16, 20532850), (20, 16426280), (25, 13141024), (26, 12635600), (31, 10597600), (32, 10266425), (40, 8213140), (50, 6570512), (52, 6317800), (62, 5298800), (65, 5054240), (80, 4106570), (100, 3285256), (104, 3158900), (124, 2649400), (130, 2527120), (155, 2119520), (160, 2053285), (200, 1642628), (208, 1579450), (248, 1324700), (260, 1263560), (310, 1059760), (325, 1010848), (400, 821314), (403, 815200), (416, 789725), (496, 662350), (520, 631780), (620, 529880), (650, 505424), (775, 423904), (800, 410657), (806, 407600), (992, 331175), (1019, 322400), (1040, 315890), (1240, 264940), (1300, 252712), (1550, 211952), (1612, 203800), (2015, 163040), (2038, 161200), (2080, 157945), (2480, 132470), (2600, 126356), (3100, 105976), (3224, 101900), (4030, 81520), (4076, 80600), (4960, 66235), (5095, 64480), (5200, 63178), (6200, 52988), (6448, 50950), (8060, 40760), (8152, 40300), (10075, 32608), (10190, 32240), (10400, 31589), (12400, 26494), (12896, 25475), (13247, 24800), (16120, 20380), (16304, 20150)]