289792960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:402

約数の個数: 112

約数和(自身を含む): 720986112

約数和(自身を除く): 431193152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 131, 155, 160, 223, 248, 262, 310, 320, 446, 496, 524, 620, 655, 892, 992, 1048, 1115, 1240, 1310, 1784, 1984, 2096, 2230, 2480, 2620, 3568, 4061, 4192, 4460, 4960, 5240, 6913, 7136, 8122, 8384, 8920, 9920, 10480, 13826, 14272, 16244, 17840, 20305, 20960, 27652, 29213, 32488, 34565, 35680, 40610, 41920, 55304, 58426, 64976, 69130, 71360, 81220, 110608, 116852, 129952, 138260, 146065, 162440, 221216, 233704, 259904, 276520, 292130, 324880, 442432, 467408, 553040, 584260, 649760, 905603, 934816, 1106080, 1168520, 1299520, 1811206, 1869632, 2212160, 2337040, 3622412, 4528015, 4674080, 7244824, 9056030, 9348160, 14489648, 18112060, 28979296, 36224120, 57958592, 72448240, 144896480, 289792960]

約数ペア:

[(1, 289792960), (2, 144896480), (4, 72448240), (5, 57958592), (8, 36224120), (10, 28979296), (16, 18112060), (20, 14489648), (31, 9348160), (32, 9056030), (40, 7244824), (62, 4674080), (64, 4528015), (80, 3622412), (124, 2337040), (131, 2212160), (155, 1869632), (160, 1811206), (223, 1299520), (248, 1168520), (262, 1106080), (310, 934816), (320, 905603), (446, 649760), (496, 584260), (524, 553040), (620, 467408), (655, 442432), (892, 324880), (992, 292130), (1048, 276520), (1115, 259904), (1240, 233704), (1310, 221216), (1784, 162440), (1984, 146065), (2096, 138260), (2230, 129952), (2480, 116852), (2620, 110608), (3568, 81220), (4061, 71360), (4192, 69130), (4460, 64976), (4960, 58426), (5240, 55304), (6913, 41920), (7136, 40610), (8122, 35680), (8384, 34565), (8920, 32488), (9920, 29213), (10480, 27652), (13826, 20960), (14272, 20305), (16244, 17840)]