80788960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1436

約数の個数: 96

約数和(自身を含む): 222409152

約数和(自身を除く): 141620192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1120, 1361, 1484, 1696, 1855, 2120, 2722, 2968, 3710, 4240, 5444, 5936, 6805, 7420, 8480, 9527, 10888, 11872, 13610, 14840, 19054, 21776, 27220, 29680, 38108, 43552, 47635, 54440, 59360, 72133, 76216, 95270, 108880, 144266, 152432, 190540, 217760, 288532, 304864, 360665, 381080, 504931, 577064, 721330, 762160, 1009862, 1154128, 1442660, 1524320, 2019724, 2308256, 2524655, 2885320, 4039448, 5049310, 5770640, 8078896, 10098620, 11541280, 16157792, 20197240, 40394480, 80788960]

約数ペア:

[(1, 80788960), (2, 40394480), (4, 20197240), (5, 16157792), (7, 11541280), (8, 10098620), (10, 8078896), (14, 5770640), (16, 5049310), (20, 4039448), (28, 2885320), (32, 2524655), (35, 2308256), (40, 2019724), (53, 1524320), (56, 1442660), (70, 1154128), (80, 1009862), (106, 762160), (112, 721330), (140, 577064), (160, 504931), (212, 381080), (224, 360665), (265, 304864), (280, 288532), (371, 217760), (424, 190540), (530, 152432), (560, 144266), (742, 108880), (848, 95270), (1060, 76216), (1120, 72133), (1361, 59360), (1484, 54440), (1696, 47635), (1855, 43552), (2120, 38108), (2722, 29680), (2968, 27220), (3710, 21776), (4240, 19054), (5444, 14840), (5936, 13610), (6805, 11872), (7420, 10888), (8480, 9527)]