156938708240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{644671}}^1$

素因数の和:644880

約数の個数: 80

約数和(自身を含む): 388505134080

約数和(自身を除く): 231566425840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 272, 340, 358, 680, 716, 895, 1360, 1432, 1790, 2864, 3043, 3580, 6086, 7160, 12172, 14320, 15215, 24344, 30430, 48688, 60860, 121720, 243440, 644671, 1289342, 2578684, 3223355, 5157368, 6446710, 10314736, 10959407, 12893420, 21918814, 25786840, 43837628, 51573680, 54797035, 87675256, 109594070, 115396109, 175350512, 219188140, 230792218, 438376280, 461584436, 576980545, 876752560, 923168872, 1153961090, 1846337744, 1961733853, 2307922180, 3923467706, 4615844360, 7846935412, 9231688720, 9808669265, 15693870824, 19617338530, 31387741648, 39234677060, 78469354120, 156938708240]

約数ペア:

[(1, 156938708240), (2, 78469354120), (4, 39234677060), (5, 31387741648), (8, 19617338530), (10, 15693870824), (16, 9808669265), (17, 9231688720), (20, 7846935412), (34, 4615844360), (40, 3923467706), (68, 2307922180), (80, 1961733853), (85, 1846337744), (136, 1153961090), (170, 923168872), (179, 876752560), (272, 576980545), (340, 461584436), (358, 438376280), (680, 230792218), (716, 219188140), (895, 175350512), (1360, 115396109), (1432, 109594070), (1790, 87675256), (2864, 54797035), (3043, 51573680), (3580, 43837628), (6086, 25786840), (7160, 21918814), (12172, 12893420), (14320, 10959407), (15215, 10314736), (24344, 6446710), (30430, 5157368), (48688, 3223355), (60860, 2578684), (121720, 1289342), (243440, 644671)]