144019880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 334892880

約数和(自身を除く): 190873000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 410, 548, 641, 685, 820, 1096, 1282, 1370, 1640, 2564, 2740, 3205, 5128, 5480, 5617, 6410, 11234, 12820, 22468, 25640, 26281, 28085, 44936, 52562, 56170, 87817, 105124, 112340, 131405, 175634, 210248, 224680, 262810, 351268, 439085, 525620, 702536, 878170, 1051240, 1756340, 3512680, 3600497, 7200994, 14401988, 18002485, 28803976, 36004970, 72009940, 144019880]

約数ペア:

[(1, 144019880), (2, 72009940), (4, 36004970), (5, 28803976), (8, 18002485), (10, 14401988), (20, 7200994), (40, 3600497), (41, 3512680), (82, 1756340), (137, 1051240), (164, 878170), (205, 702536), (274, 525620), (328, 439085), (410, 351268), (548, 262810), (641, 224680), (685, 210248), (820, 175634), (1096, 131405), (1282, 112340), (1370, 105124), (1640, 87817), (2564, 56170), (2740, 52562), (3205, 44936), (5128, 28085), (5480, 26281), (5617, 25640), (6410, 22468), (11234, 12820)]