227781720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:559

約数の個数: 160

約数和(自身を含む): 771447600

約数和(自身を除く): 543665880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 229, 270, 307, 324, 360, 405, 458, 540, 614, 648, 687, 810, 916, 921, 1080, 1145, 1228, 1374, 1535, 1620, 1832, 1842, 2061, 2290, 2456, 2748, 2763, 3070, 3240, 3435, 3684, 4122, 4580, 4605, 5496, 5526, 6140, 6183, 6870, 7368, 8244, 8289, 9160, 9210, 10305, 11052, 12280, 12366, 13740, 13815, 16488, 16578, 18420, 18549, 20610, 22104, 24732, 24867, 27480, 27630, 30915, 33156, 36840, 37098, 41220, 41445, 49464, 49734, 55260, 61830, 66312, 70303, 74196, 82440, 82890, 92745, 99468, 110520, 123660, 124335, 140606, 148392, 165780, 185490, 198936, 210909, 247320, 248670, 281212, 331560, 351515, 370980, 421818, 497340, 562424, 632727, 703030, 741960, 843636, 994680, 1054545, 1265454, 1406060, 1687272, 1898181, 2109090, 2530908, 2812120, 3163635, 3796362, 4218180, 5061816, 5694543, 6327270, 7592724, 8436360, 9490905, 11389086, 12654540, 15185448, 18981810, 22778172, 25309080, 28472715, 37963620, 45556344, 56945430, 75927240, 113890860, 227781720]

約数ペア:

[(1, 227781720), (2, 113890860), (3, 75927240), (4, 56945430), (5, 45556344), (6, 37963620), (8, 28472715), (9, 25309080), (10, 22778172), (12, 18981810), (15, 15185448), (18, 12654540), (20, 11389086), (24, 9490905), (27, 8436360), (30, 7592724), (36, 6327270), (40, 5694543), (45, 5061816), (54, 4218180), (60, 3796362), (72, 3163635), (81, 2812120), (90, 2530908), (108, 2109090), (120, 1898181), (135, 1687272), (162, 1406060), (180, 1265454), (216, 1054545), (229, 994680), (270, 843636), (307, 741960), (324, 703030), (360, 632727), (405, 562424), (458, 497340), (540, 421818), (614, 370980), (648, 351515), (687, 331560), (810, 281212), (916, 248670), (921, 247320), (1080, 210909), (1145, 198936), (1228, 185490), (1374, 165780), (1535, 148392), (1620, 140606), (1832, 124335), (1842, 123660), (2061, 110520), (2290, 99468), (2456, 92745), (2748, 82890), (2763, 82440), (3070, 74196), (3240, 70303), (3435, 66312), (3684, 61830), (4122, 55260), (4580, 49734), (4605, 49464), (5496, 41445), (5526, 41220), (6140, 37098), (6183, 36840), (6870, 33156), (7368, 30915), (8244, 27630), (8289, 27480), (9160, 24867), (9210, 24732), (10305, 22104), (11052, 20610), (12280, 18549), (12366, 18420), (13740, 16578), (13815, 16488)]