1685720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 4186080

約数和(自身を除く): 2500360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 67, 68, 74, 85, 134, 136, 148, 170, 185, 268, 296, 335, 340, 370, 536, 629, 670, 680, 740, 1139, 1258, 1340, 1480, 2278, 2479, 2516, 2680, 3145, 4556, 4958, 5032, 5695, 6290, 9112, 9916, 11390, 12395, 12580, 19832, 22780, 24790, 25160, 42143, 45560, 49580, 84286, 99160, 168572, 210715, 337144, 421430, 842860, 1685720]

約数ペア:

[(1, 1685720), (2, 842860), (4, 421430), (5, 337144), (8, 210715), (10, 168572), (17, 99160), (20, 84286), (34, 49580), (37, 45560), (40, 42143), (67, 25160), (68, 24790), (74, 22780), (85, 19832), (134, 12580), (136, 12395), (148, 11390), (170, 9916), (185, 9112), (268, 6290), (296, 5695), (335, 5032), (340, 4958), (370, 4556), (536, 3145), (629, 2680), (670, 2516), (680, 2479), (740, 2278), (1139, 1480), (1258, 1340)]