271787460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{647113}}^1$

素因数の和:647132

約数の個数: 48

約数和(自身を含む): 869721216

約数和(自身を除く): 597933756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 647113, 1294226, 1941339, 2588452, 3235565, 3882678, 4529791, 6471130, 7765356, 9059582, 9706695, 12942260, 13589373, 18119164, 19413390, 22648955, 27178746, 38826780, 45297910, 54357492, 67946865, 90595820, 135893730, 271787460]

約数ペア:

[(1, 271787460), (2, 135893730), (3, 90595820), (4, 67946865), (5, 54357492), (6, 45297910), (7, 38826780), (10, 27178746), (12, 22648955), (14, 19413390), (15, 18119164), (20, 13589373), (21, 12942260), (28, 9706695), (30, 9059582), (35, 7765356), (42, 6471130), (60, 4529791), (70, 3882678), (84, 3235565), (105, 2588452), (140, 1941339), (210, 1294226), (420, 647113)]