91811720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2335

約数の個数: 128

約数和(自身を含む): 277482240

約数和(自身を除く): 185670520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2293, 2860, 3080, 3640, 4004, 4586, 5005, 5720, 8008, 9172, 10010, 11465, 16051, 18344, 20020, 22930, 25223, 29809, 32102, 40040, 45860, 50446, 59618, 64204, 80255, 91720, 100892, 119236, 126115, 128408, 149045, 160510, 176561, 201784, 208663, 238472, 252230, 298090, 321020, 327899, 353122, 417326, 504460, 596180, 642040, 655798, 706244, 834652, 882805, 1008920, 1043315, 1192360, 1311596, 1412488, 1639495, 1669304, 1765610, 2086630, 2295293, 2623192, 3278990, 3531220, 4173260, 4590586, 6557980, 7062440, 8346520, 9181172, 11476465, 13115960, 18362344, 22952930, 45905860, 91811720]

約数ペア:

[(1, 91811720), (2, 45905860), (4, 22952930), (5, 18362344), (7, 13115960), (8, 11476465), (10, 9181172), (11, 8346520), (13, 7062440), (14, 6557980), (20, 4590586), (22, 4173260), (26, 3531220), (28, 3278990), (35, 2623192), (40, 2295293), (44, 2086630), (52, 1765610), (55, 1669304), (56, 1639495), (65, 1412488), (70, 1311596), (77, 1192360), (88, 1043315), (91, 1008920), (104, 882805), (110, 834652), (130, 706244), (140, 655798), (143, 642040), (154, 596180), (182, 504460), (220, 417326), (260, 353122), (280, 327899), (286, 321020), (308, 298090), (364, 252230), (385, 238472), (440, 208663), (455, 201784), (520, 176561), (572, 160510), (616, 149045), (715, 128408), (728, 126115), (770, 119236), (910, 100892), (1001, 91720), (1144, 80255), (1430, 64204), (1540, 59618), (1820, 50446), (2002, 45860), (2293, 40040), (2860, 32102), (3080, 29809), (3640, 25223), (4004, 22930), (4586, 20020), (5005, 18344), (5720, 16051), (8008, 11465), (9172, 10010)]