27778680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 99468000

約数和(自身を除く): 71689320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 89, 90, 102, 108, 120, 135, 136, 153, 170, 178, 180, 204, 216, 255, 267, 270, 289, 306, 340, 356, 360, 408, 445, 459, 510, 534, 540, 578, 612, 680, 712, 765, 801, 867, 890, 918, 1020, 1068, 1080, 1156, 1224, 1335, 1445, 1513, 1530, 1602, 1734, 1780, 1836, 2040, 2136, 2295, 2312, 2403, 2601, 2670, 2890, 3026, 3060, 3204, 3468, 3560, 3672, 4005, 4335, 4539, 4590, 4806, 5202, 5340, 5780, 6052, 6120, 6408, 6936, 7565, 7803, 8010, 8670, 9078, 9180, 9612, 10404, 10680, 11560, 12015, 12104, 13005, 13617, 15130, 15606, 16020, 17340, 18156, 18360, 19224, 20808, 22695, 24030, 25721, 26010, 27234, 30260, 31212, 32040, 34680, 36312, 39015, 40851, 45390, 48060, 51442, 52020, 54468, 60520, 62424, 68085, 77163, 78030, 81702, 90780, 96120, 102884, 104040, 108936, 128605, 136170, 154326, 156060, 163404, 181560, 204255, 205768, 231489, 257210, 272340, 308652, 312120, 326808, 385815, 408510, 462978, 514420, 544680, 617304, 694467, 771630, 817020, 925956, 1028840, 1157445, 1388934, 1543260, 1634040, 1851912, 2314890, 2777868, 3086520, 3472335, 4629780, 5555736, 6944670, 9259560, 13889340, 27778680]

約数ペア:

[(1, 27778680), (2, 13889340), (3, 9259560), (4, 6944670), (5, 5555736), (6, 4629780), (8, 3472335), (9, 3086520), (10, 2777868), (12, 2314890), (15, 1851912), (17, 1634040), (18, 1543260), (20, 1388934), (24, 1157445), (27, 1028840), (30, 925956), (34, 817020), (36, 771630), (40, 694467), (45, 617304), (51, 544680), (54, 514420), (60, 462978), (68, 408510), (72, 385815), (85, 326808), (89, 312120), (90, 308652), (102, 272340), (108, 257210), (120, 231489), (135, 205768), (136, 204255), (153, 181560), (170, 163404), (178, 156060), (180, 154326), (204, 136170), (216, 128605), (255, 108936), (267, 104040), (270, 102884), (289, 96120), (306, 90780), (340, 81702), (356, 78030), (360, 77163), (408, 68085), (445, 62424), (459, 60520), (510, 54468), (534, 52020), (540, 51442), (578, 48060), (612, 45390), (680, 40851), (712, 39015), (765, 36312), (801, 34680), (867, 32040), (890, 31212), (918, 30260), (1020, 27234), (1068, 26010), (1080, 25721), (1156, 24030), (1224, 22695), (1335, 20808), (1445, 19224), (1513, 18360), (1530, 18156), (1602, 17340), (1734, 16020), (1780, 15606), (1836, 15130), (2040, 13617), (2136, 13005), (2295, 12104), (2312, 12015), (2403, 11560), (2601, 10680), (2670, 10404), (2890, 9612), (3026, 9180), (3060, 9078), (3204, 8670), (3468, 8010), (3560, 7803), (3672, 7565), (4005, 6936), (4335, 6408), (4539, 6120), (4590, 6052), (4806, 5780), (5202, 5340)]