25309440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^3$

素因数の和:66

約数の個数: 216

約数和(自身を含む): 94862040

約数和(自身を除く): 69552600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 169, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 338, 360, 384, 390, 416, 468, 480, 507, 520, 576, 585, 624, 640, 676, 720, 768, 780, 832, 845, 936, 960, 1014, 1040, 1152, 1170, 1248, 1280, 1352, 1440, 1521, 1560, 1664, 1690, 1872, 1920, 2028, 2080, 2197, 2304, 2340, 2496, 2535, 2704, 2880, 3042, 3120, 3328, 3380, 3744, 3840, 4056, 4160, 4394, 4680, 4992, 5070, 5408, 5760, 6084, 6240, 6591, 6760, 7488, 7605, 8112, 8320, 8788, 9360, 9984, 10140, 10816, 10985, 11520, 12168, 12480, 13182, 13520, 14976, 15210, 16224, 16640, 17576, 18720, 19773, 20280, 21632, 21970, 24336, 24960, 26364, 27040, 29952, 30420, 32448, 32955, 35152, 37440, 39546, 40560, 43264, 43940, 48672, 49920, 52728, 54080, 60840, 64896, 65910, 70304, 74880, 79092, 81120, 87880, 97344, 98865, 105456, 108160, 121680, 129792, 131820, 140608, 149760, 158184, 162240, 175760, 194688, 197730, 210912, 216320, 243360, 263640, 281216, 316368, 324480, 351520, 389376, 395460, 421824, 486720, 527280, 562432, 632736, 648960, 703040, 790920, 843648, 973440, 1054560, 1265472, 1406080, 1581840, 1687296, 1946880, 2109120, 2530944, 2812160, 3163680, 4218240, 5061888, 6327360, 8436480, 12654720, 25309440]

約数ペア:

[(1, 25309440), (2, 12654720), (3, 8436480), (4, 6327360), (5, 5061888), (6, 4218240), (8, 3163680), (9, 2812160), (10, 2530944), (12, 2109120), (13, 1946880), (15, 1687296), (16, 1581840), (18, 1406080), (20, 1265472), (24, 1054560), (26, 973440), (30, 843648), (32, 790920), (36, 703040), (39, 648960), (40, 632736), (45, 562432), (48, 527280), (52, 486720), (60, 421824), (64, 395460), (65, 389376), (72, 351520), (78, 324480), (80, 316368), (90, 281216), (96, 263640), (104, 243360), (117, 216320), (120, 210912), (128, 197730), (130, 194688), (144, 175760), (156, 162240), (160, 158184), (169, 149760), (180, 140608), (192, 131820), (195, 129792), (208, 121680), (234, 108160), (240, 105456), (256, 98865), (260, 97344), (288, 87880), (312, 81120), (320, 79092), (338, 74880), (360, 70304), (384, 65910), (390, 64896), (416, 60840), (468, 54080), (480, 52728), (507, 49920), (520, 48672), (576, 43940), (585, 43264), (624, 40560), (640, 39546), (676, 37440), (720, 35152), (768, 32955), (780, 32448), (832, 30420), (845, 29952), (936, 27040), (960, 26364), (1014, 24960), (1040, 24336), (1152, 21970), (1170, 21632), (1248, 20280), (1280, 19773), (1352, 18720), (1440, 17576), (1521, 16640), (1560, 16224), (1664, 15210), (1690, 14976), (1872, 13520), (1920, 13182), (2028, 12480), (2080, 12168), (2197, 11520), (2304, 10985), (2340, 10816), (2496, 10140), (2535, 9984), (2704, 9360), (2880, 8788), (3042, 8320), (3120, 8112), (3328, 7605), (3380, 7488), (3744, 6760), (3840, 6591), (4056, 6240), (4160, 6084), (4394, 5760), (4680, 5408), (4992, 5070)]