247444480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1615

約数の個数: 88

約数和(自身を含む): 613117440

約数和(自身を除く): 365672960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1559, 1984, 2480, 2560, 3118, 3968, 4960, 5120, 6236, 7795, 7936, 9920, 12472, 15590, 15872, 19840, 24944, 31180, 31744, 39680, 48329, 49888, 62360, 79360, 96658, 99776, 124720, 158720, 193316, 199552, 241645, 249440, 386632, 399104, 483290, 498880, 773264, 798208, 966580, 997760, 1546528, 1596416, 1933160, 1995520, 3093056, 3866320, 3991040, 6186112, 7732640, 7982080, 12372224, 15465280, 24744448, 30930560, 49488896, 61861120, 123722240, 247444480]

約数ペア:

[(1, 247444480), (2, 123722240), (4, 61861120), (5, 49488896), (8, 30930560), (10, 24744448), (16, 15465280), (20, 12372224), (31, 7982080), (32, 7732640), (40, 6186112), (62, 3991040), (64, 3866320), (80, 3093056), (124, 1995520), (128, 1933160), (155, 1596416), (160, 1546528), (248, 997760), (256, 966580), (310, 798208), (320, 773264), (496, 498880), (512, 483290), (620, 399104), (640, 386632), (992, 249440), (1024, 241645), (1240, 199552), (1280, 193316), (1559, 158720), (1984, 124720), (2480, 99776), (2560, 96658), (3118, 79360), (3968, 62360), (4960, 49888), (5120, 48329), (6236, 39680), (7795, 31744), (7936, 31180), (9920, 24944), (12472, 19840), (15590, 15872)]