152020520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 361756800

約数和(自身を除く): 209736280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 317, 380, 631, 634, 760, 1262, 1268, 1585, 2524, 2536, 3155, 3170, 5048, 6023, 6310, 6340, 11989, 12046, 12620, 12680, 23978, 24092, 25240, 30115, 47956, 48184, 59945, 60230, 95912, 119890, 120460, 200027, 239780, 240920, 400054, 479560, 800108, 1000135, 1600216, 2000270, 3800513, 4000540, 7601026, 8001080, 15202052, 19002565, 30404104, 38005130, 76010260, 152020520]

約数ペア:

[(1, 152020520), (2, 76010260), (4, 38005130), (5, 30404104), (8, 19002565), (10, 15202052), (19, 8001080), (20, 7601026), (38, 4000540), (40, 3800513), (76, 2000270), (95, 1600216), (152, 1000135), (190, 800108), (317, 479560), (380, 400054), (631, 240920), (634, 239780), (760, 200027), (1262, 120460), (1268, 119890), (1585, 95912), (2524, 60230), (2536, 59945), (3155, 48184), (3170, 47956), (5048, 30115), (6023, 25240), (6310, 24092), (6340, 23978), (11989, 12680), (12046, 12620)]