80531500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 216609120

約数和(自身を除く): 136077620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 125, 133, 140, 173, 175, 190, 196, 245, 250, 266, 346, 350, 380, 475, 490, 500, 532, 665, 692, 700, 865, 875, 931, 950, 980, 1211, 1225, 1330, 1730, 1750, 1862, 1900, 2375, 2422, 2450, 2660, 3287, 3325, 3460, 3500, 3724, 4325, 4655, 4750, 4844, 4900, 6055, 6125, 6574, 6650, 8477, 8650, 9310, 9500, 12110, 12250, 13148, 13300, 16435, 16625, 16954, 17300, 18620, 21625, 23009, 23275, 24220, 24500, 30275, 32870, 33250, 33908, 42385, 43250, 46018, 46550, 60550, 65740, 66500, 82175, 84770, 86500, 92036, 93100, 115045, 116375, 121100, 151375, 161063, 164350, 169540, 211925, 230090, 232750, 302750, 322126, 328700, 410875, 423850, 460180, 465500, 575225, 605500, 644252, 805315, 821750, 847700, 1059625, 1150450, 1610630, 1643500, 2119250, 2300900, 2876125, 3221260, 4026575, 4238500, 5752250, 8053150, 11504500, 16106300, 20132875, 40265750, 80531500]

約数ペア:

[(1, 80531500), (2, 40265750), (4, 20132875), (5, 16106300), (7, 11504500), (10, 8053150), (14, 5752250), (19, 4238500), (20, 4026575), (25, 3221260), (28, 2876125), (35, 2300900), (38, 2119250), (49, 1643500), (50, 1610630), (70, 1150450), (76, 1059625), (95, 847700), (98, 821750), (100, 805315), (125, 644252), (133, 605500), (140, 575225), (173, 465500), (175, 460180), (190, 423850), (196, 410875), (245, 328700), (250, 322126), (266, 302750), (346, 232750), (350, 230090), (380, 211925), (475, 169540), (490, 164350), (500, 161063), (532, 151375), (665, 121100), (692, 116375), (700, 115045), (865, 93100), (875, 92036), (931, 86500), (950, 84770), (980, 82175), (1211, 66500), (1225, 65740), (1330, 60550), (1730, 46550), (1750, 46018), (1862, 43250), (1900, 42385), (2375, 33908), (2422, 33250), (2450, 32870), (2660, 30275), (3287, 24500), (3325, 24220), (3460, 23275), (3500, 23009), (3724, 21625), (4325, 18620), (4655, 17300), (4750, 16954), (4844, 16625), (4900, 16435), (6055, 13300), (6125, 13148), (6574, 12250), (6650, 12110), (8477, 9500), (8650, 9310)]