1288897480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1103

約数の個数: 128

約数和(自身を含む): 3253219200

約数和(自身を除く): 1964321720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 59, 65, 86, 104, 118, 130, 172, 215, 236, 260, 295, 344, 430, 472, 520, 559, 590, 767, 860, 977, 1118, 1180, 1534, 1720, 1954, 2236, 2360, 2537, 2795, 3068, 3835, 3908, 4472, 4885, 5074, 5590, 6136, 7670, 7816, 9770, 10148, 11180, 12685, 12701, 15340, 19540, 20296, 22360, 25370, 25402, 30680, 32981, 39080, 42011, 50740, 50804, 57643, 63505, 65962, 84022, 101480, 101608, 115286, 127010, 131924, 164905, 168044, 210055, 230572, 254020, 263848, 288215, 329810, 336088, 420110, 461144, 508040, 546143, 576430, 659620, 749359, 840220, 1092286, 1152860, 1319240, 1498718, 1680440, 2184572, 2305720, 2478649, 2730715, 2997436, 3746795, 4369144, 4957298, 5461430, 5994872, 7493590, 9914596, 10922860, 12393245, 14987180, 19829192, 21845720, 24786490, 29974360, 32222437, 49572980, 64444874, 99145960, 128889748, 161112185, 257779496, 322224370, 644448740, 1288897480]

約数ペア:

[(1, 1288897480), (2, 644448740), (4, 322224370), (5, 257779496), (8, 161112185), (10, 128889748), (13, 99145960), (20, 64444874), (26, 49572980), (40, 32222437), (43, 29974360), (52, 24786490), (59, 21845720), (65, 19829192), (86, 14987180), (104, 12393245), (118, 10922860), (130, 9914596), (172, 7493590), (215, 5994872), (236, 5461430), (260, 4957298), (295, 4369144), (344, 3746795), (430, 2997436), (472, 2730715), (520, 2478649), (559, 2305720), (590, 2184572), (767, 1680440), (860, 1498718), (977, 1319240), (1118, 1152860), (1180, 1092286), (1534, 840220), (1720, 749359), (1954, 659620), (2236, 576430), (2360, 546143), (2537, 508040), (2795, 461144), (3068, 420110), (3835, 336088), (3908, 329810), (4472, 288215), (4885, 263848), (5074, 254020), (5590, 230572), (6136, 210055), (7670, 168044), (7816, 164905), (9770, 131924), (10148, 127010), (11180, 115286), (12685, 101608), (12701, 101480), (15340, 84022), (19540, 65962), (20296, 63505), (22360, 57643), (25370, 50804), (25402, 50740), (30680, 42011), (32981, 39080)]