720273820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 1786498560

約数和(自身を除く): 1066224740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 211, 259, 370, 422, 518, 659, 740, 844, 1036, 1055, 1295, 1318, 1477, 2110, 2590, 2636, 2954, 3295, 4220, 4613, 5180, 5908, 6590, 7385, 7807, 9226, 13180, 14770, 15614, 18452, 23065, 24383, 29540, 31228, 39035, 46130, 48766, 54649, 78070, 92260, 97532, 109298, 121915, 139049, 156140, 170681, 218596, 243830, 273245, 278098, 341362, 487660, 546490, 556196, 682724, 695245, 853405, 973343, 1092980, 1390490, 1706810, 1946686, 2780980, 3413620, 3893372, 4866715, 5144813, 9733430, 10289626, 19466860, 20579252, 25724065, 36013691, 51448130, 72027382, 102896260, 144054764, 180068455, 360136910, 720273820]

約数ペア:

[(1, 720273820), (2, 360136910), (4, 180068455), (5, 144054764), (7, 102896260), (10, 72027382), (14, 51448130), (20, 36013691), (28, 25724065), (35, 20579252), (37, 19466860), (70, 10289626), (74, 9733430), (140, 5144813), (148, 4866715), (185, 3893372), (211, 3413620), (259, 2780980), (370, 1946686), (422, 1706810), (518, 1390490), (659, 1092980), (740, 973343), (844, 853405), (1036, 695245), (1055, 682724), (1295, 556196), (1318, 546490), (1477, 487660), (2110, 341362), (2590, 278098), (2636, 273245), (2954, 243830), (3295, 218596), (4220, 170681), (4613, 156140), (5180, 139049), (5908, 121915), (6590, 109298), (7385, 97532), (7807, 92260), (9226, 78070), (13180, 54649), (14770, 48766), (15614, 46130), (18452, 39035), (23065, 31228), (24383, 29540)]