31085520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 160

約数和(自身を含む): 107671680

約数和(自身を除く): 76586160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 401, 408, 456, 510, 570, 646, 680, 760, 802, 816, 912, 969, 1020, 1140, 1203, 1292, 1360, 1520, 1604, 1615, 1938, 2005, 2040, 2280, 2406, 2584, 3208, 3230, 3876, 4010, 4080, 4560, 4812, 4845, 5168, 6015, 6416, 6460, 6817, 7619, 7752, 8020, 9624, 9690, 12030, 12920, 13634, 15238, 15504, 16040, 19248, 19380, 20451, 22857, 24060, 25840, 27268, 30476, 32080, 34085, 38095, 38760, 40902, 45714, 48120, 54536, 60952, 68170, 76190, 77520, 81804, 91428, 96240, 102255, 109072, 114285, 121904, 129523, 136340, 152380, 163608, 182856, 204510, 228570, 259046, 272680, 304760, 327216, 365712, 388569, 409020, 457140, 518092, 545360, 609520, 647615, 777138, 818040, 914280, 1036184, 1295230, 1554276, 1636080, 1828560, 1942845, 2072368, 2590460, 3108552, 3885690, 5180920, 6217104, 7771380, 10361840, 15542760, 31085520]

約数ペア:

[(1, 31085520), (2, 15542760), (3, 10361840), (4, 7771380), (5, 6217104), (6, 5180920), (8, 3885690), (10, 3108552), (12, 2590460), (15, 2072368), (16, 1942845), (17, 1828560), (19, 1636080), (20, 1554276), (24, 1295230), (30, 1036184), (34, 914280), (38, 818040), (40, 777138), (48, 647615), (51, 609520), (57, 545360), (60, 518092), (68, 457140), (76, 409020), (80, 388569), (85, 365712), (95, 327216), (102, 304760), (114, 272680), (120, 259046), (136, 228570), (152, 204510), (170, 182856), (190, 163608), (204, 152380), (228, 136340), (240, 129523), (255, 121904), (272, 114285), (285, 109072), (304, 102255), (323, 96240), (340, 91428), (380, 81804), (401, 77520), (408, 76190), (456, 68170), (510, 60952), (570, 54536), (646, 48120), (680, 45714), (760, 40902), (802, 38760), (816, 38095), (912, 34085), (969, 32080), (1020, 30476), (1140, 27268), (1203, 25840), (1292, 24060), (1360, 22857), (1520, 20451), (1604, 19380), (1615, 19248), (1938, 16040), (2005, 15504), (2040, 15238), (2280, 13634), (2406, 12920), (2584, 12030), (3208, 9690), (3230, 9624), (3876, 8020), (4010, 7752), (4080, 7619), (4560, 6817), (4812, 6460), (4845, 6416), (5168, 6015)]