28397940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7759}}^1$

素因数の和:7832

約数の個数: 48

約数和(自身を含む): 80828160

約数和(自身を除く): 52430220

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, 7759, 15518, 23277, 31036, 38795, 46554, 77590, 93108, 116385, 155180, 232770, 465540, 473299, 946598, 1419897, 1893196, 2366495, 2839794, 4732990, 5679588, 7099485, 9465980, 14198970, 28397940]

約数ペア:

[(1, 28397940), (2, 14198970), (3, 9465980), (4, 7099485), (5, 5679588), (6, 4732990), (10, 2839794), (12, 2366495), (15, 1893196), (20, 1419897), (30, 946598), (60, 473299), (61, 465540), (122, 232770), (183, 155180), (244, 116385), (305, 93108), (366, 77590), (610, 46554), (732, 38795), (915, 31036), (1220, 23277), (1830, 15518), (3660, 7759)]