81552780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2713}}^1$

素因数の和:2895

約数の個数: 72

約数和(自身を含む): 248949792

約数和(自身を除く): 167397012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 2004, 2505, 2713, 3006, 3340, 5010, 5426, 6012, 7515, 8139, 10020, 10852, 13565, 15030, 16278, 24417, 27130, 30060, 32556, 40695, 48834, 54260, 81390, 97668, 122085, 162780, 244170, 453071, 488340, 906142, 1359213, 1812284, 2265355, 2718426, 4077639, 4530710, 5436852, 6796065, 8155278, 9061420, 13592130, 16310556, 20388195, 27184260, 40776390, 81552780]

約数ペア:

[(1, 81552780), (2, 40776390), (3, 27184260), (4, 20388195), (5, 16310556), (6, 13592130), (9, 9061420), (10, 8155278), (12, 6796065), (15, 5436852), (18, 4530710), (20, 4077639), (30, 2718426), (36, 2265355), (45, 1812284), (60, 1359213), (90, 906142), (167, 488340), (180, 453071), (334, 244170), (501, 162780), (668, 122085), (835, 97668), (1002, 81390), (1503, 54260), (1670, 48834), (2004, 40695), (2505, 32556), (2713, 30060), (3006, 27130), (3340, 24417), (5010, 16278), (5426, 15030), (6012, 13565), (7515, 10852), (8139, 10020)]