42940720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 104323680

約数和(自身を除く): 61382960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 163, 178, 185, 296, 326, 356, 370, 445, 592, 652, 712, 740, 815, 890, 1304, 1424, 1480, 1630, 1780, 2608, 2960, 3260, 3293, 3560, 6031, 6520, 6586, 7120, 12062, 13040, 13172, 14507, 16465, 24124, 26344, 29014, 30155, 32930, 48248, 52688, 58028, 60310, 65860, 72535, 96496, 116056, 120620, 131720, 145070, 232112, 241240, 263440, 290140, 482480, 536759, 580280, 1073518, 1160560, 2147036, 2683795, 4294072, 5367590, 8588144, 10735180, 21470360, 42940720]

約数ペア:

[(1, 42940720), (2, 21470360), (4, 10735180), (5, 8588144), (8, 5367590), (10, 4294072), (16, 2683795), (20, 2147036), (37, 1160560), (40, 1073518), (74, 580280), (80, 536759), (89, 482480), (148, 290140), (163, 263440), (178, 241240), (185, 232112), (296, 145070), (326, 131720), (356, 120620), (370, 116056), (445, 96496), (592, 72535), (652, 65860), (712, 60310), (740, 58028), (815, 52688), (890, 48248), (1304, 32930), (1424, 30155), (1480, 29014), (1630, 26344), (1780, 24124), (2608, 16465), (2960, 14507), (3260, 13172), (3293, 13040), (3560, 12062), (6031, 7120), (6520, 6586)]