78204840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 270293760

約数和(自身を除く): 192088920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 593, 628, 785, 840, 942, 1099, 1186, 1256, 1570, 1779, 1884, 2198, 2355, 2372, 2965, 3140, 3297, 3558, 3768, 4151, 4396, 4710, 4744, 5495, 5930, 6280, 6594, 7116, 8302, 8792, 8895, 9420, 10990, 11860, 12453, 13188, 14232, 16485, 16604, 17790, 18840, 20755, 21980, 23720, 24906, 26376, 32970, 33208, 35580, 41510, 43960, 49812, 62265, 65940, 71160, 83020, 93101, 99624, 124530, 131880, 166040, 186202, 249060, 279303, 372404, 465505, 498120, 558606, 651707, 744808, 931010, 1117212, 1303414, 1396515, 1862020, 1955121, 2234424, 2606828, 2793030, 3258535, 3724040, 3910242, 5213656, 5586060, 6517070, 7820484, 9775605, 11172120, 13034140, 15640968, 19551210, 26068280, 39102420, 78204840]

約数ペア:

[(1, 78204840), (2, 39102420), (3, 26068280), (4, 19551210), (5, 15640968), (6, 13034140), (7, 11172120), (8, 9775605), (10, 7820484), (12, 6517070), (14, 5586060), (15, 5213656), (20, 3910242), (21, 3724040), (24, 3258535), (28, 2793030), (30, 2606828), (35, 2234424), (40, 1955121), (42, 1862020), (56, 1396515), (60, 1303414), (70, 1117212), (84, 931010), (105, 744808), (120, 651707), (140, 558606), (157, 498120), (168, 465505), (210, 372404), (280, 279303), (314, 249060), (420, 186202), (471, 166040), (593, 131880), (628, 124530), (785, 99624), (840, 93101), (942, 83020), (1099, 71160), (1186, 65940), (1256, 62265), (1570, 49812), (1779, 43960), (1884, 41510), (2198, 35580), (2355, 33208), (2372, 32970), (2965, 26376), (3140, 24906), (3297, 23720), (3558, 21980), (3768, 20755), (4151, 18840), (4396, 17790), (4710, 16604), (4744, 16485), (5495, 14232), (5930, 13188), (6280, 12453), (6594, 11860), (7116, 10990), (8302, 9420), (8792, 8895)]