205714320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122449}}^1$

素因数の和:122472

約数の個数: 80

約数和(自身を含む): 728822400

約数和(自身を除く): 523108080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 122449, 244898, 367347, 489796, 612245, 734694, 857143, 979592, 1224490, 1469388, 1714286, 1836735, 1959184, 2448980, 2571429, 2938776, 3428572, 3673470, 4285715, 4897960, 5142858, 5877552, 6857144, 7346940, 8571430, 9795920, 10285716, 12857145, 13714288, 14693880, 17142860, 20571432, 25714290, 29387760, 34285720, 41142864, 51428580, 68571440, 102857160, 205714320]

約数ペア:

[(1, 205714320), (2, 102857160), (3, 68571440), (4, 51428580), (5, 41142864), (6, 34285720), (7, 29387760), (8, 25714290), (10, 20571432), (12, 17142860), (14, 14693880), (15, 13714288), (16, 12857145), (20, 10285716), (21, 9795920), (24, 8571430), (28, 7346940), (30, 6857144), (35, 5877552), (40, 5142858), (42, 4897960), (48, 4285715), (56, 3673470), (60, 3428572), (70, 2938776), (80, 2571429), (84, 2448980), (105, 1959184), (112, 1836735), (120, 1714286), (140, 1469388), (168, 1224490), (210, 979592), (240, 857143), (280, 734694), (336, 612245), (420, 489796), (560, 367347), (840, 244898), (1680, 122449)]