66628120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3463}}^1$

素因数の和:3524

約数の個数: 64

約数和(自身を含む): 165856320

約数和(自身を除く): 99228200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3463, 3848, 4810, 6926, 9620, 13852, 17315, 19240, 27704, 34630, 45019, 69260, 90038, 128131, 138520, 180076, 225095, 256262, 360152, 450190, 512524, 640655, 900380, 1025048, 1281310, 1665703, 1800760, 2562620, 3331406, 5125240, 6662812, 8328515, 13325624, 16657030, 33314060, 66628120]

約数ペア:

[(1, 66628120), (2, 33314060), (4, 16657030), (5, 13325624), (8, 8328515), (10, 6662812), (13, 5125240), (20, 3331406), (26, 2562620), (37, 1800760), (40, 1665703), (52, 1281310), (65, 1025048), (74, 900380), (104, 640655), (130, 512524), (148, 450190), (185, 360152), (260, 256262), (296, 225095), (370, 180076), (481, 138520), (520, 128131), (740, 90038), (962, 69260), (1480, 45019), (1924, 34630), (2405, 27704), (3463, 19240), (3848, 17315), (4810, 13852), (6926, 9620)]