131955320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 357212160

約数和(自身を除く): 225256840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 140, 148, 185, 188, 235, 259, 271, 280, 296, 329, 370, 376, 470, 518, 542, 658, 740, 940, 1036, 1084, 1295, 1316, 1355, 1480, 1645, 1739, 1880, 1897, 2072, 2168, 2590, 2632, 2710, 3290, 3478, 3794, 5180, 5420, 6580, 6956, 7588, 8695, 9485, 10027, 10360, 10840, 12173, 12737, 13160, 13912, 15176, 17390, 18970, 20054, 24346, 25474, 34780, 37940, 40108, 48692, 50135, 50948, 60865, 63685, 69560, 70189, 75880, 80216, 89159, 97384, 100270, 101896, 121730, 127370, 140378, 178318, 200540, 243460, 254740, 280756, 350945, 356636, 401080, 445795, 471269, 486920, 509480, 561512, 701890, 713272, 891590, 942538, 1403780, 1783180, 1885076, 2356345, 2807560, 3298883, 3566360, 3770152, 4712690, 6597766, 9425380, 13195532, 16494415, 18850760, 26391064, 32988830, 65977660, 131955320]

約数ペア:

[(1, 131955320), (2, 65977660), (4, 32988830), (5, 26391064), (7, 18850760), (8, 16494415), (10, 13195532), (14, 9425380), (20, 6597766), (28, 4712690), (35, 3770152), (37, 3566360), (40, 3298883), (47, 2807560), (56, 2356345), (70, 1885076), (74, 1783180), (94, 1403780), (140, 942538), (148, 891590), (185, 713272), (188, 701890), (235, 561512), (259, 509480), (271, 486920), (280, 471269), (296, 445795), (329, 401080), (370, 356636), (376, 350945), (470, 280756), (518, 254740), (542, 243460), (658, 200540), (740, 178318), (940, 140378), (1036, 127370), (1084, 121730), (1295, 101896), (1316, 100270), (1355, 97384), (1480, 89159), (1645, 80216), (1739, 75880), (1880, 70189), (1897, 69560), (2072, 63685), (2168, 60865), (2590, 50948), (2632, 50135), (2710, 48692), (3290, 40108), (3478, 37940), (3794, 34780), (5180, 25474), (5420, 24346), (6580, 20054), (6956, 18970), (7588, 17390), (8695, 15176), (9485, 13912), (10027, 13160), (10360, 12737), (10840, 12173)]