90437322520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3216121}}^1$

素因数の和:3216188

約数の個数: 64

約数和(自身を含む): 219982744800

約数和(自身を除く): 129545422280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 28120, 3216121, 6432242, 12864484, 16080605, 25728968, 32161210, 61106299, 64322420, 118996477, 122212598, 128644840, 237992954, 244425196, 305531495, 475985908, 488850392, 594982385, 611062990, 951971816, 1189964770, 1222125980, 2260933063, 2379929540, 2444251960, 4521866126, 4759859080, 9043732252, 11304665315, 18087464504, 22609330630, 45218661260, 90437322520]

約数ペア:

[(1, 90437322520), (2, 45218661260), (4, 22609330630), (5, 18087464504), (8, 11304665315), (10, 9043732252), (19, 4759859080), (20, 4521866126), (37, 2444251960), (38, 2379929540), (40, 2260933063), (74, 1222125980), (76, 1189964770), (95, 951971816), (148, 611062990), (152, 594982385), (185, 488850392), (190, 475985908), (296, 305531495), (370, 244425196), (380, 237992954), (703, 128644840), (740, 122212598), (760, 118996477), (1406, 64322420), (1480, 61106299), (2812, 32161210), (3515, 25728968), (5624, 16080605), (7030, 12864484), (14060, 6432242), (28120, 3216121)]