1639281720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{99713}}^1$

素因数の和:99864

約数の個数: 64

約数和(自身を含む): 4953791520

約数和(自身を除く): 3314509800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2740, 3288, 4110, 5480, 8220, 16440, 99713, 199426, 299139, 398852, 498565, 598278, 797704, 997130, 1196556, 1495695, 1994260, 2393112, 2991390, 3988520, 5982780, 11965560, 13660681, 27321362, 40982043, 54642724, 68303405, 81964086, 109285448, 136606810, 163928172, 204910215, 273213620, 327856344, 409820430, 546427240, 819640860, 1639281720]

約数ペア:

[(1, 1639281720), (2, 819640860), (3, 546427240), (4, 409820430), (5, 327856344), (6, 273213620), (8, 204910215), (10, 163928172), (12, 136606810), (15, 109285448), (20, 81964086), (24, 68303405), (30, 54642724), (40, 40982043), (60, 27321362), (120, 13660681), (137, 11965560), (274, 5982780), (411, 3988520), (548, 2991390), (685, 2393112), (822, 1994260), (1096, 1495695), (1370, 1196556), (1644, 997130), (2055, 797704), (2740, 598278), (3288, 498565), (4110, 398852), (5480, 299139), (8220, 199426), (16440, 99713)]