240842560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1464

約数の個数: 112

約数和(自身を含む): 664220160

約数和(自身を除く): 423377600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 790, 1106, 1120, 1264, 1361, 1580, 2212, 2240, 2528, 2722, 2765, 3160, 4424, 5056, 5444, 5530, 6320, 6805, 8848, 9527, 10888, 11060, 12640, 13610, 17696, 19054, 21776, 22120, 25280, 27220, 35392, 38108, 43552, 44240, 47635, 54440, 76216, 87104, 88480, 95270, 107519, 108880, 152432, 176960, 190540, 215038, 217760, 304864, 381080, 430076, 435520, 537595, 609728, 752633, 762160, 860152, 1075190, 1505266, 1524320, 1720304, 2150380, 3010532, 3048640, 3440608, 3763165, 4300760, 6021064, 6881216, 7526330, 8601520, 12042128, 15052660, 17203040, 24084256, 30105320, 34406080, 48168512, 60210640, 120421280, 240842560]

約数ペア:

[(1, 240842560), (2, 120421280), (4, 60210640), (5, 48168512), (7, 34406080), (8, 30105320), (10, 24084256), (14, 17203040), (16, 15052660), (20, 12042128), (28, 8601520), (32, 7526330), (35, 6881216), (40, 6021064), (56, 4300760), (64, 3763165), (70, 3440608), (79, 3048640), (80, 3010532), (112, 2150380), (140, 1720304), (158, 1524320), (160, 1505266), (224, 1075190), (280, 860152), (316, 762160), (320, 752633), (395, 609728), (448, 537595), (553, 435520), (560, 430076), (632, 381080), (790, 304864), (1106, 217760), (1120, 215038), (1264, 190540), (1361, 176960), (1580, 152432), (2212, 108880), (2240, 107519), (2528, 95270), (2722, 88480), (2765, 87104), (3160, 76216), (4424, 54440), (5056, 47635), (5444, 44240), (5530, 43552), (6320, 38108), (6805, 35392), (8848, 27220), (9527, 25280), (10888, 22120), (11060, 21776), (12640, 19054), (13610, 17696)]