78747840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:799

約数の個数: 168

約数和(自身を含む): 278556720

約数和(自身を除く): 199808880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 192, 222, 240, 288, 296, 320, 333, 360, 370, 444, 480, 555, 576, 592, 666, 720, 739, 740, 888, 960, 1110, 1184, 1332, 1440, 1478, 1480, 1665, 1776, 2217, 2220, 2368, 2664, 2880, 2956, 2960, 3330, 3552, 3695, 4434, 4440, 5328, 5912, 5920, 6651, 6660, 7104, 7390, 8868, 8880, 10656, 11085, 11824, 11840, 13302, 13320, 14780, 17736, 17760, 21312, 22170, 23648, 26604, 26640, 27343, 29560, 33255, 35472, 35520, 44340, 47296, 53208, 53280, 54686, 59120, 66510, 70944, 82029, 88680, 106416, 106560, 109372, 118240, 133020, 136715, 141888, 164058, 177360, 212832, 218744, 236480, 246087, 266040, 273430, 328116, 354720, 410145, 425664, 437488, 492174, 532080, 546860, 656232, 709440, 820290, 874976, 984348, 1064160, 1093720, 1230435, 1312464, 1640580, 1749952, 1968696, 2128320, 2187440, 2460870, 2624928, 3281160, 3937392, 4374880, 4921740, 5249856, 6562320, 7874784, 8749760, 9843480, 13124640, 15749568, 19686960, 26249280, 39373920, 78747840]

約数ペア:

[(1, 78747840), (2, 39373920), (3, 26249280), (4, 19686960), (5, 15749568), (6, 13124640), (8, 9843480), (9, 8749760), (10, 7874784), (12, 6562320), (15, 5249856), (16, 4921740), (18, 4374880), (20, 3937392), (24, 3281160), (30, 2624928), (32, 2460870), (36, 2187440), (37, 2128320), (40, 1968696), (45, 1749952), (48, 1640580), (60, 1312464), (64, 1230435), (72, 1093720), (74, 1064160), (80, 984348), (90, 874976), (96, 820290), (111, 709440), (120, 656232), (144, 546860), (148, 532080), (160, 492174), (180, 437488), (185, 425664), (192, 410145), (222, 354720), (240, 328116), (288, 273430), (296, 266040), (320, 246087), (333, 236480), (360, 218744), (370, 212832), (444, 177360), (480, 164058), (555, 141888), (576, 136715), (592, 133020), (666, 118240), (720, 109372), (739, 106560), (740, 106416), (888, 88680), (960, 82029), (1110, 70944), (1184, 66510), (1332, 59120), (1440, 54686), (1478, 53280), (1480, 53208), (1665, 47296), (1776, 44340), (2217, 35520), (2220, 35472), (2368, 33255), (2664, 29560), (2880, 27343), (2956, 26640), (2960, 26604), (3330, 23648), (3552, 22170), (3695, 21312), (4434, 17760), (4440, 17736), (5328, 14780), (5912, 13320), (5920, 13302), (6651, 11840), (6660, 11824), (7104, 11085), (7390, 10656), (8868, 8880)]