181516720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:483

約数の個数: 160

約数和(自身を含む): 534251520

約数和(自身を除く): 352734800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 80, 88, 110, 112, 140, 154, 158, 176, 220, 280, 308, 316, 373, 385, 395, 440, 553, 560, 616, 632, 746, 770, 790, 869, 880, 1106, 1232, 1264, 1492, 1540, 1580, 1738, 1865, 2212, 2611, 2765, 2984, 3080, 3160, 3476, 3730, 4103, 4345, 4424, 5222, 5530, 5968, 6083, 6160, 6320, 6952, 7460, 8206, 8690, 8848, 10444, 11060, 12166, 13055, 13904, 14920, 16412, 17380, 20515, 20888, 22120, 24332, 26110, 28721, 29467, 29840, 30415, 32824, 34760, 41030, 41776, 44240, 48664, 52220, 57442, 58934, 60830, 65648, 69520, 82060, 97328, 104440, 114884, 117868, 121660, 143605, 147335, 164120, 206269, 208880, 229768, 235736, 243320, 287210, 294670, 324137, 328240, 412538, 459536, 471472, 486640, 574420, 589340, 648274, 825076, 1031345, 1148840, 1178680, 1296548, 1620685, 1650152, 2062690, 2268959, 2297680, 2357360, 2593096, 3241370, 3300304, 4125380, 4537918, 5186192, 6482740, 8250760, 9075836, 11344795, 12965480, 16501520, 18151672, 22689590, 25930960, 36303344, 45379180, 90758360, 181516720]

約数ペア:

[(1, 181516720), (2, 90758360), (4, 45379180), (5, 36303344), (7, 25930960), (8, 22689590), (10, 18151672), (11, 16501520), (14, 12965480), (16, 11344795), (20, 9075836), (22, 8250760), (28, 6482740), (35, 5186192), (40, 4537918), (44, 4125380), (55, 3300304), (56, 3241370), (70, 2593096), (77, 2357360), (79, 2297680), (80, 2268959), (88, 2062690), (110, 1650152), (112, 1620685), (140, 1296548), (154, 1178680), (158, 1148840), (176, 1031345), (220, 825076), (280, 648274), (308, 589340), (316, 574420), (373, 486640), (385, 471472), (395, 459536), (440, 412538), (553, 328240), (560, 324137), (616, 294670), (632, 287210), (746, 243320), (770, 235736), (790, 229768), (869, 208880), (880, 206269), (1106, 164120), (1232, 147335), (1264, 143605), (1492, 121660), (1540, 117868), (1580, 114884), (1738, 104440), (1865, 97328), (2212, 82060), (2611, 69520), (2765, 65648), (2984, 60830), (3080, 58934), (3160, 57442), (3476, 52220), (3730, 48664), (4103, 44240), (4345, 41776), (4424, 41030), (5222, 34760), (5530, 32824), (5968, 30415), (6083, 29840), (6160, 29467), (6320, 28721), (6952, 26110), (7460, 24332), (8206, 22120), (8690, 20888), (8848, 20515), (10444, 17380), (11060, 16412), (12166, 14920), (13055, 13904)]