55761720

素因数分解:

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

素因数の和:66404

約数の個数: 64

約数和(自身を含む): 191185920

約数和(自身を除く): 135424200

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, 66383, 132766, 199149, 265532, 331915, 398298, 464681, 531064, 663830, 796596, 929362, 995745, 1327660, 1394043, 1593192, 1858724, 1991490, 2323405, 2655320, 2788086, 3717448, 3982980, 4646810, 5576172, 6970215, 7965960, 9293620, 11152344, 13940430, 18587240, 27880860, 55761720]

約数ペア:

[(1, 55761720), (2, 27880860), (3, 18587240), (4, 13940430), (5, 11152344), (6, 9293620), (7, 7965960), (8, 6970215), (10, 5576172), (12, 4646810), (14, 3982980), (15, 3717448), (20, 2788086), (21, 2655320), (24, 2323405), (28, 1991490), (30, 1858724), (35, 1593192), (40, 1394043), (42, 1327660), (56, 995745), (60, 929362), (70, 796596), (84, 663830), (105, 531064), (120, 464681), (140, 398298), (168, 331915), (210, 265532), (280, 199149), (420, 132766), (840, 66383)]