19686960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 67994160

約数和(自身を除く): 48307200

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, 739, 740, 888, 1110, 1332, 1478, 1480, 1665, 1776, 2217, 2220, 2664, 2956, 2960, 3330, 3695, 4434, 4440, 5328, 5912, 6651, 6660, 7390, 8868, 8880, 11085, 11824, 13302, 13320, 14780, 17736, 22170, 26604, 26640, 27343, 29560, 33255, 35472, 44340, 53208, 54686, 59120, 66510, 82029, 88680, 106416, 109372, 133020, 136715, 164058, 177360, 218744, 246087, 266040, 273430, 328116, 410145, 437488, 492174, 532080, 546860, 656232, 820290, 984348, 1093720, 1230435, 1312464, 1640580, 1968696, 2187440, 2460870, 3281160, 3937392, 4921740, 6562320, 9843480, 19686960]

約数ペア:

[(1, 19686960), (2, 9843480), (3, 6562320), (4, 4921740), (5, 3937392), (6, 3281160), (8, 2460870), (9, 2187440), (10, 1968696), (12, 1640580), (15, 1312464), (16, 1230435), (18, 1093720), (20, 984348), (24, 820290), (30, 656232), (36, 546860), (37, 532080), (40, 492174), (45, 437488), (48, 410145), (60, 328116), (72, 273430), (74, 266040), (80, 246087), (90, 218744), (111, 177360), (120, 164058), (144, 136715), (148, 133020), (180, 109372), (185, 106416), (222, 88680), (240, 82029), (296, 66510), (333, 59120), (360, 54686), (370, 53208), (444, 44340), (555, 35472), (592, 33255), (666, 29560), (720, 27343), (739, 26640), (740, 26604), (888, 22170), (1110, 17736), (1332, 14780), (1478, 13320), (1480, 13302), (1665, 11824), (1776, 11085), (2217, 8880), (2220, 8868), (2664, 7390), (2956, 6660), (2960, 6651), (3330, 5912), (3695, 5328), (4434, 4440)]