71844640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2834

約数の個数: 96

約数和(自身を含む): 202487040

約数和(自身を除く): 130642400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 2789, 3220, 3680, 5152, 5578, 6440, 11156, 12880, 13945, 19523, 22312, 25760, 27890, 39046, 44624, 55780, 64147, 78092, 89248, 97615, 111560, 128294, 156184, 195230, 223120, 256588, 312368, 320735, 390460, 446240, 449029, 513176, 624736, 641470, 780920, 898058, 1026352, 1282940, 1561840, 1796116, 2052704, 2245145, 2565880, 3123680, 3592232, 4490290, 5131760, 7184464, 8980580, 10263520, 14368928, 17961160, 35922320, 71844640]

約数ペア:

[(1, 71844640), (2, 35922320), (4, 17961160), (5, 14368928), (7, 10263520), (8, 8980580), (10, 7184464), (14, 5131760), (16, 4490290), (20, 3592232), (23, 3123680), (28, 2565880), (32, 2245145), (35, 2052704), (40, 1796116), (46, 1561840), (56, 1282940), (70, 1026352), (80, 898058), (92, 780920), (112, 641470), (115, 624736), (140, 513176), (160, 449029), (161, 446240), (184, 390460), (224, 320735), (230, 312368), (280, 256588), (322, 223120), (368, 195230), (460, 156184), (560, 128294), (644, 111560), (736, 97615), (805, 89248), (920, 78092), (1120, 64147), (1288, 55780), (1610, 44624), (1840, 39046), (2576, 27890), (2789, 25760), (3220, 22312), (3680, 19523), (5152, 13945), (5578, 12880), (6440, 11156)]