90172040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1049}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 232848000

約数和(自身を除く): 142675960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1049, 1228, 1535, 2098, 2149, 2456, 3070, 4196, 4298, 5245, 6140, 7343, 8392, 8596, 10490, 10745, 12280, 14686, 17192, 20980, 21490, 29372, 36715, 41960, 42980, 58744, 73430, 85960, 146860, 293720, 322043, 644086, 1288172, 1610215, 2254301, 2576344, 3220430, 4508602, 6440860, 9017204, 11271505, 12881720, 18034408, 22543010, 45086020, 90172040]

約数ペア:

[(1, 90172040), (2, 45086020), (4, 22543010), (5, 18034408), (7, 12881720), (8, 11271505), (10, 9017204), (14, 6440860), (20, 4508602), (28, 3220430), (35, 2576344), (40, 2254301), (56, 1610215), (70, 1288172), (140, 644086), (280, 322043), (307, 293720), (614, 146860), (1049, 85960), (1228, 73430), (1535, 58744), (2098, 42980), (2149, 41960), (2456, 36715), (3070, 29372), (4196, 21490), (4298, 20980), (5245, 17192), (6140, 14686), (7343, 12280), (8392, 10745), (8596, 10490)]