68902120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4643}}^1$

素因数の和:4714

約数の個数: 64

約数和(自身を含む): 180558720

約数和(自身を除く): 111656600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 4643, 7420, 9286, 14840, 18572, 23215, 32501, 37144, 46430, 65002, 92860, 130004, 162505, 185720, 246079, 260008, 325010, 492158, 650020, 984316, 1230395, 1300040, 1722553, 1968632, 2460790, 3445106, 4921580, 6890212, 8612765, 9843160, 13780424, 17225530, 34451060, 68902120]

約数ペア:

[(1, 68902120), (2, 34451060), (4, 17225530), (5, 13780424), (7, 9843160), (8, 8612765), (10, 6890212), (14, 4921580), (20, 3445106), (28, 2460790), (35, 1968632), (40, 1722553), (53, 1300040), (56, 1230395), (70, 984316), (106, 650020), (140, 492158), (212, 325010), (265, 260008), (280, 246079), (371, 185720), (424, 162505), (530, 130004), (742, 92860), (1060, 65002), (1484, 46430), (1855, 37144), (2120, 32501), (2968, 23215), (3710, 18572), (4643, 14840), (7420, 9286)]