39993480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1988

約数の個数: 128

約数和(自身を含む): 140400000

約数和(自身を除く): 100406520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 1949, 2052, 2280, 2565, 3420, 3898, 4104, 5130, 5847, 6840, 7796, 9745, 10260, 11694, 15592, 17541, 19490, 20520, 23388, 29235, 35082, 37031, 38980, 46776, 52623, 58470, 70164, 74062, 77960, 87705, 105246, 111093, 116940, 140328, 148124, 175410, 185155, 210492, 222186, 233880, 263115, 296248, 333279, 350820, 370310, 420984, 444372, 526230, 555465, 666558, 701640, 740620, 888744, 999837, 1052460, 1110930, 1333116, 1481240, 1666395, 1999674, 2104920, 2221860, 2666232, 3332790, 3999348, 4443720, 4999185, 6665580, 7998696, 9998370, 13331160, 19996740, 39993480]

約数ペア:

[(1, 39993480), (2, 19996740), (3, 13331160), (4, 9998370), (5, 7998696), (6, 6665580), (8, 4999185), (9, 4443720), (10, 3999348), (12, 3332790), (15, 2666232), (18, 2221860), (19, 2104920), (20, 1999674), (24, 1666395), (27, 1481240), (30, 1333116), (36, 1110930), (38, 1052460), (40, 999837), (45, 888744), (54, 740620), (57, 701640), (60, 666558), (72, 555465), (76, 526230), (90, 444372), (95, 420984), (108, 370310), (114, 350820), (120, 333279), (135, 296248), (152, 263115), (171, 233880), (180, 222186), (190, 210492), (216, 185155), (228, 175410), (270, 148124), (285, 140328), (342, 116940), (360, 111093), (380, 105246), (456, 87705), (513, 77960), (540, 74062), (570, 70164), (684, 58470), (760, 52623), (855, 46776), (1026, 38980), (1080, 37031), (1140, 35082), (1368, 29235), (1710, 23388), (1949, 20520), (2052, 19490), (2280, 17541), (2565, 15592), (3420, 11694), (3898, 10260), (4104, 9745), (5130, 7796), (5847, 6840)]