81228210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 240413184

約数和(自身を除く): 159184974

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 61, 70, 85, 102, 105, 119, 122, 170, 183, 210, 238, 255, 305, 357, 366, 373, 427, 510, 595, 610, 714, 746, 854, 915, 1037, 1119, 1190, 1281, 1785, 1830, 1865, 2074, 2135, 2238, 2562, 2611, 3111, 3570, 3730, 4270, 5185, 5222, 5595, 6222, 6341, 6405, 7259, 7833, 10370, 11190, 12682, 12810, 13055, 14518, 15555, 15666, 19023, 21777, 22753, 26110, 31110, 31705, 36295, 38046, 39165, 43554, 44387, 45506, 63410, 68259, 72590, 78330, 88774, 95115, 108885, 113765, 133161, 136518, 159271, 190230, 217770, 221935, 227530, 266322, 318542, 341295, 386801, 443870, 477813, 665805, 682590, 773602, 796355, 955626, 1160403, 1331610, 1592710, 1934005, 2320806, 2389065, 2707607, 3868010, 4778130, 5415214, 5802015, 8122821, 11604030, 13538035, 16245642, 27076070, 40614105, 81228210]

約数ペア:

[(1, 81228210), (2, 40614105), (3, 27076070), (5, 16245642), (6, 13538035), (7, 11604030), (10, 8122821), (14, 5802015), (15, 5415214), (17, 4778130), (21, 3868010), (30, 2707607), (34, 2389065), (35, 2320806), (42, 1934005), (51, 1592710), (61, 1331610), (70, 1160403), (85, 955626), (102, 796355), (105, 773602), (119, 682590), (122, 665805), (170, 477813), (183, 443870), (210, 386801), (238, 341295), (255, 318542), (305, 266322), (357, 227530), (366, 221935), (373, 217770), (427, 190230), (510, 159271), (595, 136518), (610, 133161), (714, 113765), (746, 108885), (854, 95115), (915, 88774), (1037, 78330), (1119, 72590), (1190, 68259), (1281, 63410), (1785, 45506), (1830, 44387), (1865, 43554), (2074, 39165), (2135, 38046), (2238, 36295), (2562, 31705), (2611, 31110), (3111, 26110), (3570, 22753), (3730, 21777), (4270, 19023), (5185, 15666), (5222, 15555), (5595, 14518), (6222, 13055), (6341, 12810), (6405, 12682), (7259, 11190), (7833, 10370)]