71452680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 233089920

約数和(自身を除く): 161637240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 281, 312, 326, 390, 489, 520, 562, 652, 780, 815, 843, 978, 1124, 1304, 1405, 1560, 1630, 1686, 1956, 2119, 2248, 2445, 2810, 3260, 3372, 3653, 3912, 4215, 4238, 4890, 5620, 6357, 6520, 6744, 7306, 8430, 8476, 9780, 10595, 10959, 11240, 12714, 14612, 16860, 16952, 18265, 19560, 21190, 21918, 25428, 29224, 31785, 33720, 36530, 42380, 43836, 45803, 50856, 54795, 63570, 73060, 84760, 87672, 91606, 109590, 127140, 137409, 146120, 183212, 219180, 229015, 254280, 274818, 366424, 438360, 458030, 549636, 595439, 687045, 916060, 1099272, 1190878, 1374090, 1786317, 1832120, 2381756, 2748180, 2977195, 3572634, 4763512, 5496360, 5954390, 7145268, 8931585, 11908780, 14290536, 17863170, 23817560, 35726340, 71452680]

約数ペア:

[(1, 71452680), (2, 35726340), (3, 23817560), (4, 17863170), (5, 14290536), (6, 11908780), (8, 8931585), (10, 7145268), (12, 5954390), (13, 5496360), (15, 4763512), (20, 3572634), (24, 2977195), (26, 2748180), (30, 2381756), (39, 1832120), (40, 1786317), (52, 1374090), (60, 1190878), (65, 1099272), (78, 916060), (104, 687045), (120, 595439), (130, 549636), (156, 458030), (163, 438360), (195, 366424), (260, 274818), (281, 254280), (312, 229015), (326, 219180), (390, 183212), (489, 146120), (520, 137409), (562, 127140), (652, 109590), (780, 91606), (815, 87672), (843, 84760), (978, 73060), (1124, 63570), (1304, 54795), (1405, 50856), (1560, 45803), (1630, 43836), (1686, 42380), (1956, 36530), (2119, 33720), (2248, 31785), (2445, 29224), (2810, 25428), (3260, 21918), (3372, 21190), (3653, 19560), (3912, 18265), (4215, 16952), (4238, 16860), (4890, 14612), (5620, 12714), (6357, 11240), (6520, 10959), (6744, 10595), (7306, 9780), (8430, 8476)]