25722840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1537

約数の個数: 128

約数和(自身を含む): 90720000

約数和(自身を除く): 64997160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1499, 1560, 1716, 2145, 2860, 2998, 3432, 4290, 4497, 5720, 5996, 7495, 8580, 8994, 11992, 14990, 16489, 17160, 17988, 19487, 22485, 29980, 32978, 35976, 38974, 44970, 49467, 58461, 59960, 65956, 77948, 82445, 89940, 97435, 98934, 116922, 131912, 155896, 164890, 179880, 194870, 197868, 214357, 233844, 247335, 292305, 329780, 389740, 395736, 428714, 467688, 494670, 584610, 643071, 659560, 779480, 857428, 989340, 1071785, 1169220, 1286142, 1714856, 1978680, 2143570, 2338440, 2572284, 3215355, 4287140, 5144568, 6430710, 8574280, 12861420, 25722840]

約数ペア:

[(1, 25722840), (2, 12861420), (3, 8574280), (4, 6430710), (5, 5144568), (6, 4287140), (8, 3215355), (10, 2572284), (11, 2338440), (12, 2143570), (13, 1978680), (15, 1714856), (20, 1286142), (22, 1169220), (24, 1071785), (26, 989340), (30, 857428), (33, 779480), (39, 659560), (40, 643071), (44, 584610), (52, 494670), (55, 467688), (60, 428714), (65, 395736), (66, 389740), (78, 329780), (88, 292305), (104, 247335), (110, 233844), (120, 214357), (130, 197868), (132, 194870), (143, 179880), (156, 164890), (165, 155896), (195, 131912), (220, 116922), (260, 98934), (264, 97435), (286, 89940), (312, 82445), (330, 77948), (390, 65956), (429, 59960), (440, 58461), (520, 49467), (572, 44970), (660, 38974), (715, 35976), (780, 32978), (858, 29980), (1144, 22485), (1320, 19487), (1430, 17988), (1499, 17160), (1560, 16489), (1716, 14990), (2145, 11992), (2860, 8994), (2998, 8580), (3432, 7495), (4290, 5996), (4497, 5720)]