142440320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20233}}^1$

素因数の和:20263

約数の個数: 64

約数和(自身を含む): 371496240

約数和(自身を除く): 229055920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 20233, 40466, 80932, 101165, 161864, 202330, 222563, 323728, 404660, 445126, 647456, 809320, 890252, 1112815, 1294912, 1618640, 1780504, 2225630, 2589824, 3237280, 3561008, 4451260, 6474560, 7122016, 8902520, 12949120, 14244032, 17805040, 28488064, 35610080, 71220160, 142440320]

約数ペア:

[(1, 142440320), (2, 71220160), (4, 35610080), (5, 28488064), (8, 17805040), (10, 14244032), (11, 12949120), (16, 8902520), (20, 7122016), (22, 6474560), (32, 4451260), (40, 3561008), (44, 3237280), (55, 2589824), (64, 2225630), (80, 1780504), (88, 1618640), (110, 1294912), (128, 1112815), (160, 890252), (176, 809320), (220, 647456), (320, 445126), (352, 404660), (440, 323728), (640, 222563), (704, 202330), (880, 161864), (1408, 101165), (1760, 80932), (3520, 40466), (7040, 20233)]