215600400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{19963}}^1$

素因数の和:19990

約数の個数: 120

約数和(自身を含む): 767416160

約数和(自身を除く): 551815760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 2160, 2700, 3600, 5400, 10800, 19963, 39926, 59889, 79852, 99815, 119778, 159704, 179667, 199630, 239556, 299445, 319408, 359334, 399260, 479112, 499075, 539001, 598890, 718668, 798520, 898335, 958224, 998150, 1078002, 1197780, 1437336, 1497225, 1597040, 1796670, 1996300, 2156004, 2395560, 2695005, 2874672, 2994450, 3593340, 3992600, 4312008, 4491675, 4791120, 5390010, 5988900, 7186680, 7985200, 8624016, 8983350, 10780020, 11977800, 13475025, 14373360, 17966700, 21560040, 23955600, 26950050, 35933400, 43120080, 53900100, 71866800, 107800200, 215600400]

約数ペア:

[(1, 215600400), (2, 107800200), (3, 71866800), (4, 53900100), (5, 43120080), (6, 35933400), (8, 26950050), (9, 23955600), (10, 21560040), (12, 17966700), (15, 14373360), (16, 13475025), (18, 11977800), (20, 10780020), (24, 8983350), (25, 8624016), (27, 7985200), (30, 7186680), (36, 5988900), (40, 5390010), (45, 4791120), (48, 4491675), (50, 4312008), (54, 3992600), (60, 3593340), (72, 2994450), (75, 2874672), (80, 2695005), (90, 2395560), (100, 2156004), (108, 1996300), (120, 1796670), (135, 1597040), (144, 1497225), (150, 1437336), (180, 1197780), (200, 1078002), (216, 998150), (225, 958224), (240, 898335), (270, 798520), (300, 718668), (360, 598890), (400, 539001), (432, 499075), (450, 479112), (540, 399260), (600, 359334), (675, 319408), (720, 299445), (900, 239556), (1080, 199630), (1200, 179667), (1350, 159704), (1800, 119778), (2160, 99815), (2700, 79852), (3600, 59889), (5400, 39926), (10800, 19963)]