240979960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 368658440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 89, 104, 127, 130, 164, 178, 205, 254, 260, 328, 356, 410, 445, 508, 520, 533, 635, 712, 820, 890, 1016, 1066, 1157, 1270, 1640, 1651, 1780, 2132, 2314, 2540, 2665, 3302, 3560, 3649, 4264, 4628, 5080, 5207, 5330, 5785, 6604, 7298, 8255, 9256, 10414, 10660, 11303, 11570, 13208, 14596, 16510, 18245, 20828, 21320, 22606, 23140, 26035, 29192, 33020, 36490, 41656, 45212, 46280, 47437, 52070, 56515, 66040, 67691, 72980, 90424, 94874, 104140, 113030, 135382, 145960, 146939, 189748, 208280, 226060, 237185, 270764, 293878, 338455, 379496, 452120, 463423, 474370, 541528, 587756, 676910, 734695, 926846, 948740, 1175512, 1353820, 1469390, 1853692, 1897480, 2317115, 2707640, 2938780, 3707384, 4634230, 5877560, 6024499, 9268460, 12048998, 18536920, 24097996, 30122495, 48195992, 60244990, 120489980, 240979960]

約数ペア:

[(1, 240979960), (2, 120489980), (4, 60244990), (5, 48195992), (8, 30122495), (10, 24097996), (13, 18536920), (20, 12048998), (26, 9268460), (40, 6024499), (41, 5877560), (52, 4634230), (65, 3707384), (82, 2938780), (89, 2707640), (104, 2317115), (127, 1897480), (130, 1853692), (164, 1469390), (178, 1353820), (205, 1175512), (254, 948740), (260, 926846), (328, 734695), (356, 676910), (410, 587756), (445, 541528), (508, 474370), (520, 463423), (533, 452120), (635, 379496), (712, 338455), (820, 293878), (890, 270764), (1016, 237185), (1066, 226060), (1157, 208280), (1270, 189748), (1640, 146939), (1651, 145960), (1780, 135382), (2132, 113030), (2314, 104140), (2540, 94874), (2665, 90424), (3302, 72980), (3560, 67691), (3649, 66040), (4264, 56515), (4628, 52070), (5080, 47437), (5207, 46280), (5330, 45212), (5785, 41656), (6604, 36490), (7298, 33020), (8255, 29192), (9256, 26035), (10414, 23140), (10660, 22606), (11303, 21320), (11570, 20828), (13208, 18245), (14596, 16510)]