83421520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1677

約数の個数: 120

約数和(自身を含む): 243125064

約数和(自身を除く): 159703544

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1637, 1820, 1960, 2548, 3185, 3274, 3640, 3920, 5096, 6370, 6548, 7280, 8185, 10192, 11459, 12740, 13096, 16370, 21281, 22918, 25480, 26192, 32740, 42562, 45836, 50960, 57295, 65480, 80213, 85124, 91672, 106405, 114590, 130960, 148967, 160426, 170248, 183344, 212810, 229180, 297934, 320852, 340496, 401065, 425620, 458360, 595868, 641704, 744835, 802130, 851240, 916720, 1042769, 1191736, 1283408, 1489670, 1604260, 1702480, 2085538, 2383472, 2979340, 3208520, 4171076, 5213845, 5958680, 6417040, 8342152, 10427690, 11917360, 16684304, 20855380, 41710760, 83421520]

約数ペア:

[(1, 83421520), (2, 41710760), (4, 20855380), (5, 16684304), (7, 11917360), (8, 10427690), (10, 8342152), (13, 6417040), (14, 5958680), (16, 5213845), (20, 4171076), (26, 3208520), (28, 2979340), (35, 2383472), (40, 2085538), (49, 1702480), (52, 1604260), (56, 1489670), (65, 1283408), (70, 1191736), (80, 1042769), (91, 916720), (98, 851240), (104, 802130), (112, 744835), (130, 641704), (140, 595868), (182, 458360), (196, 425620), (208, 401065), (245, 340496), (260, 320852), (280, 297934), (364, 229180), (392, 212810), (455, 183344), (490, 170248), (520, 160426), (560, 148967), (637, 130960), (728, 114590), (784, 106405), (910, 91672), (980, 85124), (1040, 80213), (1274, 65480), (1456, 57295), (1637, 50960), (1820, 45836), (1960, 42562), (2548, 32740), (3185, 26192), (3274, 25480), (3640, 22918), (3920, 21281), (5096, 16370), (6370, 13096), (6548, 12740), (7280, 11459), (8185, 10192)]