40105980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1231}}^1$

素因数の和:1427

約数の個数: 72

約数和(自身を含む): 122426304

約数和(自身を除く): 82320324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1231, 1629, 1810, 2172, 2462, 2715, 3258, 3620, 3693, 4924, 5430, 6155, 6516, 7386, 8145, 10860, 11079, 12310, 14772, 16290, 18465, 22158, 24620, 32580, 36930, 44316, 55395, 73860, 110790, 221580, 222811, 445622, 668433, 891244, 1114055, 1336866, 2005299, 2228110, 2673732, 3342165, 4010598, 4456220, 6684330, 8021196, 10026495, 13368660, 20052990, 40105980]

約数ペア:

[(1, 40105980), (2, 20052990), (3, 13368660), (4, 10026495), (5, 8021196), (6, 6684330), (9, 4456220), (10, 4010598), (12, 3342165), (15, 2673732), (18, 2228110), (20, 2005299), (30, 1336866), (36, 1114055), (45, 891244), (60, 668433), (90, 445622), (180, 222811), (181, 221580), (362, 110790), (543, 73860), (724, 55395), (905, 44316), (1086, 36930), (1231, 32580), (1629, 24620), (1810, 22158), (2172, 18465), (2462, 16290), (2715, 14772), (3258, 12310), (3620, 11079), (3693, 10860), (4924, 8145), (5430, 7386), (6155, 6516)]