154488880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21221}}^1$

素因数の和:21254

約数の個数: 80

約数和(自身を含む): 442096704

約数和(自身を除く): 287607824

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 21221, 42442, 84884, 106105, 148547, 169768, 212210, 275873, 297094, 339536, 424420, 551746, 594188, 742735, 848840, 1103492, 1188376, 1379365, 1485470, 1697680, 1931111, 2206984, 2376752, 2758730, 2970940, 3862222, 4413968, 5517460, 5941880, 7724444, 9655555, 11034920, 11883760, 15448888, 19311110, 22069840, 30897776, 38622220, 77244440, 154488880]

約数ペア:

[(1, 154488880), (2, 77244440), (4, 38622220), (5, 30897776), (7, 22069840), (8, 19311110), (10, 15448888), (13, 11883760), (14, 11034920), (16, 9655555), (20, 7724444), (26, 5941880), (28, 5517460), (35, 4413968), (40, 3862222), (52, 2970940), (56, 2758730), (65, 2376752), (70, 2206984), (80, 1931111), (91, 1697680), (104, 1485470), (112, 1379365), (130, 1188376), (140, 1103492), (182, 848840), (208, 742735), (260, 594188), (280, 551746), (364, 424420), (455, 339536), (520, 297094), (560, 275873), (728, 212210), (910, 169768), (1040, 148547), (1456, 106105), (1820, 84884), (3640, 42442), (7280, 21221)]