16520400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 180

約数和(自身を含む): 61915308

約数和(自身を除く): 45394908

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 353, 360, 390, 400, 450, 468, 520, 585, 600, 624, 650, 706, 720, 780, 900, 936, 975, 1040, 1059, 1170, 1200, 1300, 1412, 1560, 1765, 1800, 1872, 1950, 2118, 2340, 2600, 2824, 2925, 3120, 3177, 3530, 3600, 3900, 4236, 4589, 4680, 5200, 5295, 5648, 5850, 6354, 7060, 7800, 8472, 8825, 9178, 9360, 10590, 11700, 12708, 13767, 14120, 15600, 15885, 16944, 17650, 18356, 21180, 22945, 23400, 25416, 26475, 27534, 28240, 31770, 35300, 36712, 41301, 42360, 45890, 46800, 50832, 52950, 55068, 63540, 68835, 70600, 73424, 79425, 82602, 84720, 91780, 105900, 110136, 114725, 127080, 137670, 141200, 158850, 165204, 183560, 206505, 211800, 220272, 229450, 254160, 275340, 317700, 330408, 344175, 367120, 413010, 423600, 458900, 550680, 635400, 660816, 688350, 826020, 917800, 1032525, 1101360, 1270800, 1376700, 1652040, 1835600, 2065050, 2753400, 3304080, 4130100, 5506800, 8260200, 16520400]

約数ペア:

[(1, 16520400), (2, 8260200), (3, 5506800), (4, 4130100), (5, 3304080), (6, 2753400), (8, 2065050), (9, 1835600), (10, 1652040), (12, 1376700), (13, 1270800), (15, 1101360), (16, 1032525), (18, 917800), (20, 826020), (24, 688350), (25, 660816), (26, 635400), (30, 550680), (36, 458900), (39, 423600), (40, 413010), (45, 367120), (48, 344175), (50, 330408), (52, 317700), (60, 275340), (65, 254160), (72, 229450), (75, 220272), (78, 211800), (80, 206505), (90, 183560), (100, 165204), (104, 158850), (117, 141200), (120, 137670), (130, 127080), (144, 114725), (150, 110136), (156, 105900), (180, 91780), (195, 84720), (200, 82602), (208, 79425), (225, 73424), (234, 70600), (240, 68835), (260, 63540), (300, 55068), (312, 52950), (325, 50832), (353, 46800), (360, 45890), (390, 42360), (400, 41301), (450, 36712), (468, 35300), (520, 31770), (585, 28240), (600, 27534), (624, 26475), (650, 25416), (706, 23400), (720, 22945), (780, 21180), (900, 18356), (936, 17650), (975, 16944), (1040, 15885), (1059, 15600), (1170, 14120), (1200, 13767), (1300, 12708), (1412, 11700), (1560, 10590), (1765, 9360), (1800, 9178), (1872, 8825), (1950, 8472), (2118, 7800), (2340, 7060), (2600, 6354), (2824, 5850), (2925, 5648), (3120, 5295), (3177, 5200), (3530, 4680), (3600, 4589), (3900, 4236)]