27880860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66383}}^1$

素因数の和:66402

約数の個数: 48

約数和(自身を含む): 89220096

約数和(自身を除く): 61339236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66383, 132766, 199149, 265532, 331915, 398298, 464681, 663830, 796596, 929362, 995745, 1327660, 1394043, 1858724, 1991490, 2323405, 2788086, 3982980, 4646810, 5576172, 6970215, 9293620, 13940430, 27880860]

約数ペア:

[(1, 27880860), (2, 13940430), (3, 9293620), (4, 6970215), (5, 5576172), (6, 4646810), (7, 3982980), (10, 2788086), (12, 2323405), (14, 1991490), (15, 1858724), (20, 1394043), (21, 1327660), (28, 995745), (30, 929362), (35, 796596), (42, 663830), (60, 464681), (70, 398298), (84, 331915), (105, 265532), (140, 199149), (210, 132766), (420, 66383)]