280878000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 240

約数和(自身を含む): 984106656

約数和(自身を除く): 703228656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 169, 195, 200, 208, 240, 250, 260, 277, 300, 312, 325, 338, 375, 390, 400, 500, 507, 520, 554, 600, 624, 650, 676, 750, 780, 831, 845, 975, 1000, 1014, 1040, 1108, 1200, 1300, 1352, 1385, 1500, 1560, 1625, 1662, 1690, 1950, 2000, 2028, 2216, 2535, 2600, 2704, 2770, 3000, 3120, 3250, 3324, 3380, 3601, 3900, 4056, 4155, 4225, 4432, 4875, 5070, 5200, 5540, 6000, 6500, 6648, 6760, 6925, 7202, 7800, 8112, 8310, 8450, 9750, 10140, 10803, 11080, 12675, 13000, 13296, 13520, 13850, 14404, 15600, 16620, 16900, 18005, 19500, 20280, 20775, 21125, 21606, 22160, 25350, 26000, 27700, 28808, 33240, 33800, 34625, 36010, 39000, 40560, 41550, 42250, 43212, 46813, 50700, 54015, 55400, 57616, 63375, 66480, 67600, 69250, 72020, 78000, 83100, 84500, 86424, 90025, 93626, 101400, 103875, 108030, 110800, 126750, 138500, 140439, 144040, 166200, 169000, 172848, 180050, 187252, 202800, 207750, 216060, 234065, 253500, 270075, 277000, 280878, 288080, 332400, 338000, 360100, 374504, 415500, 432120, 450125, 468130, 507000, 540150, 554000, 561756, 702195, 720200, 749008, 831000, 864240, 900250, 936260, 1014000, 1080300, 1123512, 1170325, 1350375, 1404390, 1440400, 1662000, 1800500, 1872520, 2160600, 2247024, 2340650, 2700750, 2808780, 3510975, 3601000, 3745040, 4321200, 4681300, 5401500, 5617560, 5851625, 7021950, 7202000, 9362600, 10803000, 11235120, 11703250, 14043900, 17554875, 18725200, 21606000, 23406500, 28087800, 35109750, 46813000, 56175600, 70219500, 93626000, 140439000, 280878000]

約数ペア:

[(1, 280878000), (2, 140439000), (3, 93626000), (4, 70219500), (5, 56175600), (6, 46813000), (8, 35109750), (10, 28087800), (12, 23406500), (13, 21606000), (15, 18725200), (16, 17554875), (20, 14043900), (24, 11703250), (25, 11235120), (26, 10803000), (30, 9362600), (39, 7202000), (40, 7021950), (48, 5851625), (50, 5617560), (52, 5401500), (60, 4681300), (65, 4321200), (75, 3745040), (78, 3601000), (80, 3510975), (100, 2808780), (104, 2700750), (120, 2340650), (125, 2247024), (130, 2160600), (150, 1872520), (156, 1800500), (169, 1662000), (195, 1440400), (200, 1404390), (208, 1350375), (240, 1170325), (250, 1123512), (260, 1080300), (277, 1014000), (300, 936260), (312, 900250), (325, 864240), (338, 831000), (375, 749008), (390, 720200), (400, 702195), (500, 561756), (507, 554000), (520, 540150), (554, 507000), (600, 468130), (624, 450125), (650, 432120), (676, 415500), (750, 374504), (780, 360100), (831, 338000), (845, 332400), (975, 288080), (1000, 280878), (1014, 277000), (1040, 270075), (1108, 253500), (1200, 234065), (1300, 216060), (1352, 207750), (1385, 202800), (1500, 187252), (1560, 180050), (1625, 172848), (1662, 169000), (1690, 166200), (1950, 144040), (2000, 140439), (2028, 138500), (2216, 126750), (2535, 110800), (2600, 108030), (2704, 103875), (2770, 101400), (3000, 93626), (3120, 90025), (3250, 86424), (3324, 84500), (3380, 83100), (3601, 78000), (3900, 72020), (4056, 69250), (4155, 67600), (4225, 66480), (4432, 63375), (4875, 57616), (5070, 55400), (5200, 54015), (5540, 50700), (6000, 46813), (6500, 43212), (6648, 42250), (6760, 41550), (6925, 40560), (7202, 39000), (7800, 36010), (8112, 34625), (8310, 33800), (8450, 33240), (9750, 28808), (10140, 27700), (10803, 26000), (11080, 25350), (12675, 22160), (13000, 21606), (13296, 21125), (13520, 20775), (13850, 20280), (14404, 19500), (15600, 18005), (16620, 16900)]