81025620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1423}}^1$

素因数の和:1521

約数の個数: 96

約数和(自身を含む): 247844352

約数和(自身を除く): 166818732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 365, 390, 438, 730, 780, 876, 949, 1095, 1423, 1460, 1898, 2190, 2846, 2847, 3796, 4269, 4380, 4745, 5692, 5694, 7115, 8538, 9490, 11388, 14230, 14235, 17076, 18499, 18980, 21345, 28460, 28470, 36998, 42690, 55497, 56940, 73996, 85380, 92495, 103879, 110994, 184990, 207758, 221988, 277485, 311637, 369980, 415516, 519395, 554970, 623274, 1038790, 1109940, 1246548, 1350427, 1558185, 2077580, 2700854, 3116370, 4051281, 5401708, 6232740, 6752135, 8102562, 13504270, 16205124, 20256405, 27008540, 40512810, 81025620]

約数ペア:

[(1, 81025620), (2, 40512810), (3, 27008540), (4, 20256405), (5, 16205124), (6, 13504270), (10, 8102562), (12, 6752135), (13, 6232740), (15, 5401708), (20, 4051281), (26, 3116370), (30, 2700854), (39, 2077580), (52, 1558185), (60, 1350427), (65, 1246548), (73, 1109940), (78, 1038790), (130, 623274), (146, 554970), (156, 519395), (195, 415516), (219, 369980), (260, 311637), (292, 277485), (365, 221988), (390, 207758), (438, 184990), (730, 110994), (780, 103879), (876, 92495), (949, 85380), (1095, 73996), (1423, 56940), (1460, 55497), (1898, 42690), (2190, 36998), (2846, 28470), (2847, 28460), (3796, 21345), (4269, 18980), (4380, 18499), (4745, 17076), (5692, 14235), (5694, 14230), (7115, 11388), (8538, 9490)]