163397640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{194521}}^1$

素因数の和:194542

約数の個数: 64

約数和(自身を含む): 560223360

約数和(自身を除く): 396825720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 194521, 389042, 583563, 778084, 972605, 1167126, 1361647, 1556168, 1945210, 2334252, 2723294, 2917815, 3890420, 4084941, 4668504, 5446588, 5835630, 6808235, 7780840, 8169882, 10893176, 11671260, 13616470, 16339764, 20424705, 23342520, 27232940, 32679528, 40849410, 54465880, 81698820, 163397640]

約数ペア:

[(1, 163397640), (2, 81698820), (3, 54465880), (4, 40849410), (5, 32679528), (6, 27232940), (7, 23342520), (8, 20424705), (10, 16339764), (12, 13616470), (14, 11671260), (15, 10893176), (20, 8169882), (21, 7780840), (24, 6808235), (28, 5835630), (30, 5446588), (35, 4668504), (40, 4084941), (42, 3890420), (56, 2917815), (60, 2723294), (70, 2334252), (84, 1945210), (105, 1556168), (120, 1361647), (140, 1167126), (168, 972605), (210, 778084), (280, 583563), (420, 389042), (840, 194521)]