311279340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{85049}}^1$

素因数の和:85122

約数の個数: 48

約数和(自身を含む): 885880800

約数和(自身を除く): 574601460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 85049, 170098, 255147, 340196, 425245, 510294, 850490, 1020588, 1275735, 1700980, 2551470, 5102940, 5187989, 10375978, 15563967, 20751956, 25939945, 31127934, 51879890, 62255868, 77819835, 103759780, 155639670, 311279340]

約数ペア:

[(1, 311279340), (2, 155639670), (3, 103759780), (4, 77819835), (5, 62255868), (6, 51879890), (10, 31127934), (12, 25939945), (15, 20751956), (20, 15563967), (30, 10375978), (60, 5187989), (61, 5102940), (122, 2551470), (183, 1700980), (244, 1275735), (305, 1020588), (366, 850490), (610, 510294), (732, 425245), (915, 340196), (1220, 255147), (1830, 170098), (3660, 85049)]