72121320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1616

約数の個数: 128

約数和(自身を含む): 246153600

約数和(自身を除く): 174032280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 774, 860, 1032, 1080, 1161, 1290, 1548, 1553, 1720, 1935, 2322, 2580, 3096, 3106, 3870, 4644, 4659, 5160, 5805, 6212, 7740, 7765, 9288, 9318, 11610, 12424, 13977, 15480, 15530, 18636, 23220, 23295, 27954, 31060, 37272, 41931, 46440, 46590, 55908, 62120, 66779, 69885, 83862, 93180, 111816, 133558, 139770, 167724, 186360, 200337, 209655, 267116, 279540, 333895, 335448, 400674, 419310, 534232, 559080, 601011, 667790, 801348, 838620, 1001685, 1202022, 1335580, 1602696, 1677240, 1803033, 2003370, 2404044, 2671160, 3005055, 3606066, 4006740, 4808088, 6010110, 7212132, 8013480, 9015165, 12020220, 14424264, 18030330, 24040440, 36060660, 72121320]

約数ペア:

[(1, 72121320), (2, 36060660), (3, 24040440), (4, 18030330), (5, 14424264), (6, 12020220), (8, 9015165), (9, 8013480), (10, 7212132), (12, 6010110), (15, 4808088), (18, 4006740), (20, 3606066), (24, 3005055), (27, 2671160), (30, 2404044), (36, 2003370), (40, 1803033), (43, 1677240), (45, 1602696), (54, 1335580), (60, 1202022), (72, 1001685), (86, 838620), (90, 801348), (108, 667790), (120, 601011), (129, 559080), (135, 534232), (172, 419310), (180, 400674), (215, 335448), (216, 333895), (258, 279540), (270, 267116), (344, 209655), (360, 200337), (387, 186360), (430, 167724), (516, 139770), (540, 133558), (645, 111816), (774, 93180), (860, 83862), (1032, 69885), (1080, 66779), (1161, 62120), (1290, 55908), (1548, 46590), (1553, 46440), (1720, 41931), (1935, 37272), (2322, 31060), (2580, 27954), (3096, 23295), (3106, 23220), (3870, 18636), (4644, 15530), (4659, 15480), (5160, 13977), (5805, 12424), (6212, 11610), (7740, 9318), (7765, 9288)]