68357340

素因数分解:

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

素因数の和:372

約数の個数: 144

約数和(自身を含む): 222899040

約数和(自身を除く): 154541700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 89, 90, 102, 153, 170, 178, 180, 204, 251, 255, 267, 306, 340, 356, 445, 502, 510, 534, 612, 753, 765, 801, 890, 1004, 1020, 1068, 1255, 1335, 1506, 1513, 1530, 1602, 1780, 2259, 2510, 2670, 3012, 3026, 3060, 3204, 3765, 4005, 4267, 4518, 4539, 5020, 5340, 6052, 7530, 7565, 8010, 8534, 9036, 9078, 11295, 12801, 13617, 15060, 15130, 16020, 17068, 18156, 21335, 22339, 22590, 22695, 25602, 27234, 30260, 38403, 42670, 44678, 45180, 45390, 51204, 54468, 64005, 67017, 68085, 76806, 85340, 89356, 90780, 111695, 128010, 134034, 136170, 153612, 192015, 201051, 223390, 256020, 268068, 272340, 335085, 379763, 384030, 402102, 446780, 670170, 759526, 768060, 804204, 1005255, 1139289, 1340340, 1519052, 1898815, 2010510, 2278578, 3417867, 3797630, 4021020, 4557156, 5696445, 6835734, 7595260, 11392890, 13671468, 17089335, 22785780, 34178670, 68357340]

約数ペア:

[(1, 68357340), (2, 34178670), (3, 22785780), (4, 17089335), (5, 13671468), (6, 11392890), (9, 7595260), (10, 6835734), (12, 5696445), (15, 4557156), (17, 4021020), (18, 3797630), (20, 3417867), (30, 2278578), (34, 2010510), (36, 1898815), (45, 1519052), (51, 1340340), (60, 1139289), (68, 1005255), (85, 804204), (89, 768060), (90, 759526), (102, 670170), (153, 446780), (170, 402102), (178, 384030), (180, 379763), (204, 335085), (251, 272340), (255, 268068), (267, 256020), (306, 223390), (340, 201051), (356, 192015), (445, 153612), (502, 136170), (510, 134034), (534, 128010), (612, 111695), (753, 90780), (765, 89356), (801, 85340), (890, 76806), (1004, 68085), (1020, 67017), (1068, 64005), (1255, 54468), (1335, 51204), (1506, 45390), (1513, 45180), (1530, 44678), (1602, 42670), (1780, 38403), (2259, 30260), (2510, 27234), (2670, 25602), (3012, 22695), (3026, 22590), (3060, 22339), (3204, 21335), (3765, 18156), (4005, 17068), (4267, 16020), (4518, 15130), (4539, 15060), (5020, 13617), (5340, 12801), (6052, 11295), (7530, 9078), (7565, 9036), (8010, 8534)]