19999207440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{750721}}^1$

素因数の和:750777

約数の個数: 120

約数和(自身を含む): 68979340248

約数和(自身を除く): 48980132808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 13320, 26640, 750721, 1501442, 2252163, 3002884, 3753605, 4504326, 6005768, 6756489, 7507210, 9008652, 11260815, 12011536, 13512978, 15014420, 18017304, 22521630, 27025956, 27776677, 30028840, 33782445, 36034608, 45043260, 54051912, 55553354, 60057680, 67564890, 83330031, 90086520, 108103824, 111106708, 135129780, 138883385, 166660062, 180173040, 222213416, 249990093, 270259560, 277766770, 333320124, 416650155, 444426832, 499980186, 540519120, 555533540, 666640248, 833300310, 999960372, 1111067080, 1249950465, 1333280496, 1666600620, 1999920744, 2222134160, 2499900930, 3333201240, 3999841488, 4999801860, 6666402480, 9999603720, 19999207440]

約数ペア:

[(1, 19999207440), (2, 9999603720), (3, 6666402480), (4, 4999801860), (5, 3999841488), (6, 3333201240), (8, 2499900930), (9, 2222134160), (10, 1999920744), (12, 1666600620), (15, 1333280496), (16, 1249950465), (18, 1111067080), (20, 999960372), (24, 833300310), (30, 666640248), (36, 555533540), (37, 540519120), (40, 499980186), (45, 444426832), (48, 416650155), (60, 333320124), (72, 277766770), (74, 270259560), (80, 249990093), (90, 222213416), (111, 180173040), (120, 166660062), (144, 138883385), (148, 135129780), (180, 111106708), (185, 108103824), (222, 90086520), (240, 83330031), (296, 67564890), (333, 60057680), (360, 55553354), (370, 54051912), (444, 45043260), (555, 36034608), (592, 33782445), (666, 30028840), (720, 27776677), (740, 27025956), (888, 22521630), (1110, 18017304), (1332, 15014420), (1480, 13512978), (1665, 12011536), (1776, 11260815), (2220, 9008652), (2664, 7507210), (2960, 6756489), (3330, 6005768), (4440, 4504326), (5328, 3753605), (6660, 3002884), (8880, 2252163), (13320, 1501442), (26640, 750721)]