19995600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:917

約数の個数: 120

約数和(自身を含む): 67500640

約数和(自身を除く): 47505040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 570, 600, 760, 877, 912, 950, 1140, 1200, 1425, 1520, 1754, 1900, 2280, 2631, 2850, 3508, 3800, 4385, 4560, 5262, 5700, 7016, 7600, 8770, 10524, 11400, 13155, 14032, 16663, 17540, 21048, 21925, 22800, 26310, 33326, 35080, 42096, 43850, 49989, 52620, 65775, 66652, 70160, 83315, 87700, 99978, 105240, 131550, 133304, 166630, 175400, 199956, 210480, 249945, 263100, 266608, 333260, 350800, 399912, 416575, 499890, 526200, 666520, 799824, 833150, 999780, 1052400, 1249725, 1333040, 1666300, 1999560, 2499450, 3332600, 3999120, 4998900, 6665200, 9997800, 19995600]

約数ペア:

[(1, 19995600), (2, 9997800), (3, 6665200), (4, 4998900), (5, 3999120), (6, 3332600), (8, 2499450), (10, 1999560), (12, 1666300), (15, 1333040), (16, 1249725), (19, 1052400), (20, 999780), (24, 833150), (25, 799824), (30, 666520), (38, 526200), (40, 499890), (48, 416575), (50, 399912), (57, 350800), (60, 333260), (75, 266608), (76, 263100), (80, 249945), (95, 210480), (100, 199956), (114, 175400), (120, 166630), (150, 133304), (152, 131550), (190, 105240), (200, 99978), (228, 87700), (240, 83315), (285, 70160), (300, 66652), (304, 65775), (380, 52620), (400, 49989), (456, 43850), (475, 42096), (570, 35080), (600, 33326), (760, 26310), (877, 22800), (912, 21925), (950, 21048), (1140, 17540), (1200, 16663), (1425, 14032), (1520, 13155), (1754, 11400), (1900, 10524), (2280, 8770), (2631, 7600), (2850, 7016), (3508, 5700), (3800, 5262), (4385, 4560)]