80339840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 223257600

約数和(自身を除く): 142917760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 227, 280, 316, 320, 395, 448, 454, 553, 560, 632, 640, 790, 896, 908, 1106, 1120, 1135, 1264, 1580, 1589, 1816, 2212, 2240, 2270, 2528, 2765, 3160, 3178, 3632, 4424, 4480, 4540, 5056, 5530, 6320, 6356, 7264, 7945, 8848, 9080, 10112, 11060, 12640, 12712, 14528, 15890, 17696, 17933, 18160, 22120, 25280, 25424, 29056, 31780, 35392, 35866, 36320, 44240, 50560, 50848, 63560, 70784, 71732, 72640, 88480, 89665, 101696, 125531, 127120, 143464, 145280, 176960, 179330, 203392, 251062, 254240, 286928, 353920, 358660, 502124, 508480, 573856, 627655, 717320, 1004248, 1016960, 1147712, 1255310, 1434640, 2008496, 2295424, 2510620, 2869280, 4016992, 5021240, 5738560, 8033984, 10042480, 11477120, 16067968, 20084960, 40169920, 80339840]

約数ペア:

[(1, 80339840), (2, 40169920), (4, 20084960), (5, 16067968), (7, 11477120), (8, 10042480), (10, 8033984), (14, 5738560), (16, 5021240), (20, 4016992), (28, 2869280), (32, 2510620), (35, 2295424), (40, 2008496), (56, 1434640), (64, 1255310), (70, 1147712), (79, 1016960), (80, 1004248), (112, 717320), (128, 627655), (140, 573856), (158, 508480), (160, 502124), (224, 358660), (227, 353920), (280, 286928), (316, 254240), (320, 251062), (395, 203392), (448, 179330), (454, 176960), (553, 145280), (560, 143464), (632, 127120), (640, 125531), (790, 101696), (896, 89665), (908, 88480), (1106, 72640), (1120, 71732), (1135, 70784), (1264, 63560), (1580, 50848), (1589, 50560), (1816, 44240), (2212, 36320), (2240, 35866), (2270, 35392), (2528, 31780), (2765, 29056), (3160, 25424), (3178, 25280), (3632, 22120), (4424, 18160), (4480, 17933), (4540, 17696), (5056, 15890), (5530, 14528), (6320, 12712), (6356, 12640), (7264, 11060), (7945, 10112), (8848, 9080)]