181287680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{20233}}^1$

素因数の和:20261

約数の個数: 72

約数和(自身を含む): 496299552

約数和(自身を除く): 315011872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 20233, 40466, 80932, 101165, 141631, 161864, 202330, 283262, 323728, 404660, 566524, 647456, 708155, 809320, 1133048, 1294912, 1416310, 1618640, 2266096, 2589824, 2832620, 3237280, 4532192, 5179648, 5665240, 6474560, 9064384, 11330480, 12949120, 18128768, 22660960, 25898240, 36257536, 45321920, 90643840, 181287680]

約数ペア:

[(1, 181287680), (2, 90643840), (4, 45321920), (5, 36257536), (7, 25898240), (8, 22660960), (10, 18128768), (14, 12949120), (16, 11330480), (20, 9064384), (28, 6474560), (32, 5665240), (35, 5179648), (40, 4532192), (56, 3237280), (64, 2832620), (70, 2589824), (80, 2266096), (112, 1618640), (128, 1416310), (140, 1294912), (160, 1133048), (224, 809320), (256, 708155), (280, 647456), (320, 566524), (448, 404660), (560, 323728), (640, 283262), (896, 202330), (1120, 161864), (1280, 141631), (1792, 101165), (2240, 80932), (4480, 40466), (8960, 20233)]