123722240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1613

約数の個数: 80

約数和(自身を含む): 306408960

約数和(自身を除く): 182686720

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, 1240, 1280, 1559, 1984, 2480, 2560, 3118, 3968, 4960, 6236, 7795, 7936, 9920, 12472, 15590, 15872, 19840, 24944, 31180, 39680, 48329, 49888, 62360, 79360, 96658, 99776, 124720, 193316, 199552, 241645, 249440, 386632, 399104, 483290, 498880, 773264, 798208, 966580, 997760, 1546528, 1933160, 1995520, 3093056, 3866320, 3991040, 6186112, 7732640, 12372224, 15465280, 24744448, 30930560, 61861120, 123722240]

約数ペア:

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