639156690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2687}}^1$

素因数の和:3584

約数の個数: 64

約数和(自身を含む): 1706987520

約数和(自身を除く): 1067830830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 881, 1762, 2643, 2687, 4405, 5286, 5374, 7929, 8061, 8810, 13215, 13435, 15858, 16122, 23787, 24183, 26430, 26870, 39645, 40305, 47574, 48366, 72549, 79290, 80610, 118935, 120915, 145098, 237870, 241830, 362745, 725490, 2367247, 4734494, 7101741, 11836235, 14203482, 21305223, 23672470, 35508705, 42610446, 63915669, 71017410, 106526115, 127831338, 213052230, 319578345, 639156690]

約数ペア:

[(1, 639156690), (2, 319578345), (3, 213052230), (5, 127831338), (6, 106526115), (9, 71017410), (10, 63915669), (15, 42610446), (18, 35508705), (27, 23672470), (30, 21305223), (45, 14203482), (54, 11836235), (90, 7101741), (135, 4734494), (270, 2367247), (881, 725490), (1762, 362745), (2643, 241830), (2687, 237870), (4405, 145098), (5286, 120915), (5374, 118935), (7929, 80610), (8061, 79290), (8810, 72549), (13215, 48366), (13435, 47574), (15858, 40305), (16122, 39645), (23787, 26870), (24183, 26430)]