80842440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 279394560

約数和(自身を除く): 198552120

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, 613, 628, 785, 840, 942, 1099, 1226, 1256, 1570, 1839, 1884, 2198, 2355, 2452, 3065, 3140, 3297, 3678, 3768, 4291, 4396, 4710, 4904, 5495, 6130, 6280, 6594, 7356, 8582, 8792, 9195, 9420, 10990, 12260, 12873, 13188, 14712, 16485, 17164, 18390, 18840, 21455, 21980, 24520, 25746, 26376, 32970, 34328, 36780, 42910, 43960, 51492, 64365, 65940, 73560, 85820, 96241, 102984, 128730, 131880, 171640, 192482, 257460, 288723, 384964, 481205, 514920, 577446, 673687, 769928, 962410, 1154892, 1347374, 1443615, 1924820, 2021061, 2309784, 2694748, 2887230, 3368435, 3849640, 4042122, 5389496, 5774460, 6736870, 8084244, 10105305, 11548920, 13473740, 16168488, 20210610, 26947480, 40421220, 80842440]

約数ペア:

[(1, 80842440), (2, 40421220), (3, 26947480), (4, 20210610), (5, 16168488), (6, 13473740), (7, 11548920), (8, 10105305), (10, 8084244), (12, 6736870), (14, 5774460), (15, 5389496), (20, 4042122), (21, 3849640), (24, 3368435), (28, 2887230), (30, 2694748), (35, 2309784), (40, 2021061), (42, 1924820), (56, 1443615), (60, 1347374), (70, 1154892), (84, 962410), (105, 769928), (120, 673687), (140, 577446), (157, 514920), (168, 481205), (210, 384964), (280, 288723), (314, 257460), (420, 192482), (471, 171640), (613, 131880), (628, 128730), (785, 102984), (840, 96241), (942, 85820), (1099, 73560), (1226, 65940), (1256, 64365), (1570, 51492), (1839, 43960), (1884, 42910), (2198, 36780), (2355, 34328), (2452, 32970), (3065, 26376), (3140, 25746), (3297, 24520), (3678, 21980), (3768, 21455), (4291, 18840), (4396, 18390), (4710, 17164), (4904, 16485), (5495, 14712), (6130, 13188), (6280, 12873), (6594, 12260), (7356, 10990), (8582, 9420), (8792, 9195)]