128300400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 180

約数和(自身を含む): 450047832

約数和(自身を除く): 321747432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 157, 180, 200, 225, 227, 240, 300, 314, 360, 400, 450, 454, 471, 600, 628, 681, 720, 785, 900, 908, 942, 1135, 1200, 1256, 1362, 1413, 1570, 1800, 1816, 1884, 2043, 2270, 2355, 2512, 2724, 2826, 3140, 3405, 3600, 3632, 3768, 3925, 4086, 4540, 4710, 5448, 5652, 5675, 6280, 6810, 7065, 7536, 7850, 8172, 9080, 9420, 10215, 10896, 11304, 11350, 11775, 12560, 13620, 14130, 15700, 16344, 17025, 18160, 18840, 20430, 22608, 22700, 23550, 27240, 28260, 31400, 32688, 34050, 35325, 35639, 37680, 40860, 45400, 47100, 51075, 54480, 56520, 62800, 68100, 70650, 71278, 81720, 90800, 94200, 102150, 106917, 113040, 136200, 141300, 142556, 163440, 178195, 188400, 204300, 213834, 272400, 282600, 285112, 320751, 356390, 408600, 427668, 534585, 565200, 570224, 641502, 712780, 817200, 855336, 890975, 1069170, 1283004, 1425560, 1603755, 1710672, 1781950, 2138340, 2566008, 2672925, 2851120, 3207510, 3563900, 4276680, 5132016, 5345850, 6415020, 7127800, 8018775, 8553360, 10691700, 12830040, 14255600, 16037550, 21383400, 25660080, 32075100, 42766800, 64150200, 128300400]

約数ペア:

[(1, 128300400), (2, 64150200), (3, 42766800), (4, 32075100), (5, 25660080), (6, 21383400), (8, 16037550), (9, 14255600), (10, 12830040), (12, 10691700), (15, 8553360), (16, 8018775), (18, 7127800), (20, 6415020), (24, 5345850), (25, 5132016), (30, 4276680), (36, 3563900), (40, 3207510), (45, 2851120), (48, 2672925), (50, 2566008), (60, 2138340), (72, 1781950), (75, 1710672), (80, 1603755), (90, 1425560), (100, 1283004), (120, 1069170), (144, 890975), (150, 855336), (157, 817200), (180, 712780), (200, 641502), (225, 570224), (227, 565200), (240, 534585), (300, 427668), (314, 408600), (360, 356390), (400, 320751), (450, 285112), (454, 282600), (471, 272400), (600, 213834), (628, 204300), (681, 188400), (720, 178195), (785, 163440), (900, 142556), (908, 141300), (942, 136200), (1135, 113040), (1200, 106917), (1256, 102150), (1362, 94200), (1413, 90800), (1570, 81720), (1800, 71278), (1816, 70650), (1884, 68100), (2043, 62800), (2270, 56520), (2355, 54480), (2512, 51075), (2724, 47100), (2826, 45400), (3140, 40860), (3405, 37680), (3600, 35639), (3632, 35325), (3768, 34050), (3925, 32688), (4086, 31400), (4540, 28260), (4710, 27240), (5448, 23550), (5652, 22700), (5675, 22608), (6280, 20430), (6810, 18840), (7065, 18160), (7536, 17025), (7850, 16344), (8172, 15700), (9080, 14130), (9420, 13620), (10215, 12560), (10896, 11775), (11304, 11350)]