205072020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 685843200

約数和(自身を除く): 480771180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 89, 90, 102, 108, 135, 153, 170, 178, 180, 204, 251, 255, 267, 270, 306, 340, 356, 445, 459, 502, 510, 534, 540, 612, 753, 765, 801, 890, 918, 1004, 1020, 1068, 1255, 1335, 1506, 1513, 1530, 1602, 1780, 1836, 2259, 2295, 2403, 2510, 2670, 3012, 3026, 3060, 3204, 3765, 4005, 4267, 4518, 4539, 4590, 4806, 5020, 5340, 6052, 6777, 7530, 7565, 8010, 8534, 9036, 9078, 9180, 9612, 11295, 12015, 12801, 13554, 13617, 15060, 15130, 16020, 17068, 18156, 21335, 22339, 22590, 22695, 24030, 25602, 27108, 27234, 30260, 33885, 38403, 40851, 42670, 44678, 45180, 45390, 48060, 51204, 54468, 64005, 67017, 67770, 68085, 76806, 81702, 85340, 89356, 90780, 111695, 115209, 128010, 134034, 135540, 136170, 153612, 163404, 192015, 201051, 204255, 223390, 230418, 256020, 268068, 272340, 335085, 379763, 384030, 402102, 408510, 446780, 460836, 576045, 603153, 670170, 759526, 768060, 804204, 817020, 1005255, 1139289, 1152090, 1206306, 1340340, 1519052, 1898815, 2010510, 2278578, 2304180, 2412612, 3015765, 3417867, 3797630, 4021020, 4557156, 5696445, 6031530, 6835734, 7595260, 10253601, 11392890, 12063060, 13671468, 17089335, 20507202, 22785780, 34178670, 41014404, 51268005, 68357340, 102536010, 205072020]

約数ペア:

[(1, 205072020), (2, 102536010), (3, 68357340), (4, 51268005), (5, 41014404), (6, 34178670), (9, 22785780), (10, 20507202), (12, 17089335), (15, 13671468), (17, 12063060), (18, 11392890), (20, 10253601), (27, 7595260), (30, 6835734), (34, 6031530), (36, 5696445), (45, 4557156), (51, 4021020), (54, 3797630), (60, 3417867), (68, 3015765), (85, 2412612), (89, 2304180), (90, 2278578), (102, 2010510), (108, 1898815), (135, 1519052), (153, 1340340), (170, 1206306), (178, 1152090), (180, 1139289), (204, 1005255), (251, 817020), (255, 804204), (267, 768060), (270, 759526), (306, 670170), (340, 603153), (356, 576045), (445, 460836), (459, 446780), (502, 408510), (510, 402102), (534, 384030), (540, 379763), (612, 335085), (753, 272340), (765, 268068), (801, 256020), (890, 230418), (918, 223390), (1004, 204255), (1020, 201051), (1068, 192015), (1255, 163404), (1335, 153612), (1506, 136170), (1513, 135540), (1530, 134034), (1602, 128010), (1780, 115209), (1836, 111695), (2259, 90780), (2295, 89356), (2403, 85340), (2510, 81702), (2670, 76806), (3012, 68085), (3026, 67770), (3060, 67017), (3204, 64005), (3765, 54468), (4005, 51204), (4267, 48060), (4518, 45390), (4539, 45180), (4590, 44678), (4806, 42670), (5020, 40851), (5340, 38403), (6052, 33885), (6777, 30260), (7530, 27234), (7565, 27108), (8010, 25602), (8534, 24030), (9036, 22695), (9078, 22590), (9180, 22339), (9612, 21335), (11295, 18156), (12015, 17068), (12801, 16020), (13554, 15130), (13617, 15060)]