281307000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{7213}}^1$

素因数の和:7250

約数の個数: 128

約数和(自身を含む): 945322560

約数和(自身を除く): 664015560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 650, 750, 780, 975, 1000, 1300, 1500, 1560, 1625, 1950, 2600, 3000, 3250, 3900, 4875, 6500, 7213, 7800, 9750, 13000, 14426, 19500, 21639, 28852, 36065, 39000, 43278, 57704, 72130, 86556, 93769, 108195, 144260, 173112, 180325, 187538, 216390, 281307, 288520, 360650, 375076, 432780, 468845, 540975, 562614, 721300, 750152, 865560, 901625, 937690, 1081950, 1125228, 1406535, 1442600, 1803250, 1875380, 2163900, 2250456, 2344225, 2704875, 2813070, 3606500, 3750760, 4327800, 4688450, 5409750, 5626140, 7032675, 7213000, 9376900, 10819500, 11252280, 11721125, 14065350, 18753800, 21639000, 23442250, 28130700, 35163375, 46884500, 56261400, 70326750, 93769000, 140653500, 281307000]

約数ペア:

[(1, 281307000), (2, 140653500), (3, 93769000), (4, 70326750), (5, 56261400), (6, 46884500), (8, 35163375), (10, 28130700), (12, 23442250), (13, 21639000), (15, 18753800), (20, 14065350), (24, 11721125), (25, 11252280), (26, 10819500), (30, 9376900), (39, 7213000), (40, 7032675), (50, 5626140), (52, 5409750), (60, 4688450), (65, 4327800), (75, 3750760), (78, 3606500), (100, 2813070), (104, 2704875), (120, 2344225), (125, 2250456), (130, 2163900), (150, 1875380), (156, 1803250), (195, 1442600), (200, 1406535), (250, 1125228), (260, 1081950), (300, 937690), (312, 901625), (325, 865560), (375, 750152), (390, 721300), (500, 562614), (520, 540975), (600, 468845), (650, 432780), (750, 375076), (780, 360650), (975, 288520), (1000, 281307), (1300, 216390), (1500, 187538), (1560, 180325), (1625, 173112), (1950, 144260), (2600, 108195), (3000, 93769), (3250, 86556), (3900, 72130), (4875, 57704), (6500, 43278), (7213, 39000), (7800, 36065), (9750, 28852), (13000, 21639), (14426, 19500)]