380975120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1224

約数の個数: 80

約数和(自身を含む): 921369600

約数和(自身を除く): 540394480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 248, 298, 310, 496, 596, 620, 745, 1031, 1192, 1240, 1490, 2062, 2384, 2480, 2980, 4124, 4619, 5155, 5960, 8248, 9238, 10310, 11920, 16496, 18476, 20620, 23095, 31961, 36952, 41240, 46190, 63922, 73904, 82480, 92380, 127844, 153619, 159805, 184760, 255688, 307238, 319610, 369520, 511376, 614476, 639220, 768095, 1228952, 1278440, 1536190, 2457904, 2556880, 3072380, 4762189, 6144760, 9524378, 12289520, 19048756, 23810945, 38097512, 47621890, 76195024, 95243780, 190487560, 380975120]

約数ペア:

[(1, 380975120), (2, 190487560), (4, 95243780), (5, 76195024), (8, 47621890), (10, 38097512), (16, 23810945), (20, 19048756), (31, 12289520), (40, 9524378), (62, 6144760), (80, 4762189), (124, 3072380), (149, 2556880), (155, 2457904), (248, 1536190), (298, 1278440), (310, 1228952), (496, 768095), (596, 639220), (620, 614476), (745, 511376), (1031, 369520), (1192, 319610), (1240, 307238), (1490, 255688), (2062, 184760), (2384, 159805), (2480, 153619), (2980, 127844), (4124, 92380), (4619, 82480), (5155, 73904), (5960, 63922), (8248, 46190), (9238, 41240), (10310, 36952), (11920, 31961), (16496, 23095), (18476, 20620)]