320757840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11423}}^1$

素因数の和:11458

約数の個数: 160

約数和(自身を含む): 1189923840

約数和(自身を除く): 869166000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 11423, 14040, 22846, 28080, 34269, 45692, 57115, 68538, 91384, 102807, 114230, 137076, 148499, 171345, 182768, 205614, 228460, 274152, 296998, 308421, 342690, 411228, 445497, 456920, 514035, 548304, 593996, 616842, 685380, 742495, 822456, 890994, 913840, 1028070, 1187992, 1233684, 1336491, 1370760, 1484990, 1542105, 1644912, 1781988, 2056140, 2227485, 2375984, 2467368, 2672982, 2741520, 2969980, 3084210, 3563976, 4009473, 4112280, 4454970, 4934736, 5345964, 5939960, 6168420, 6682455, 7127952, 8018946, 8224560, 8909940, 10691928, 11879920, 12336840, 13364910, 16037892, 17819880, 20047365, 21383856, 24673680, 26729820, 32075784, 35639760, 40094730, 53459640, 64151568, 80189460, 106919280, 160378920, 320757840]

約数ペア:

[(1, 320757840), (2, 160378920), (3, 106919280), (4, 80189460), (5, 64151568), (6, 53459640), (8, 40094730), (9, 35639760), (10, 32075784), (12, 26729820), (13, 24673680), (15, 21383856), (16, 20047365), (18, 17819880), (20, 16037892), (24, 13364910), (26, 12336840), (27, 11879920), (30, 10691928), (36, 8909940), (39, 8224560), (40, 8018946), (45, 7127952), (48, 6682455), (52, 6168420), (54, 5939960), (60, 5345964), (65, 4934736), (72, 4454970), (78, 4112280), (80, 4009473), (90, 3563976), (104, 3084210), (108, 2969980), (117, 2741520), (120, 2672982), (130, 2467368), (135, 2375984), (144, 2227485), (156, 2056140), (180, 1781988), (195, 1644912), (208, 1542105), (216, 1484990), (234, 1370760), (240, 1336491), (260, 1233684), (270, 1187992), (312, 1028070), (351, 913840), (360, 890994), (390, 822456), (432, 742495), (468, 685380), (520, 616842), (540, 593996), (585, 548304), (624, 514035), (702, 456920), (720, 445497), (780, 411228), (936, 342690), (1040, 308421), (1080, 296998), (1170, 274152), (1404, 228460), (1560, 205614), (1755, 182768), (1872, 171345), (2160, 148499), (2340, 137076), (2808, 114230), (3120, 102807), (3510, 91384), (4680, 68538), (5616, 57115), (7020, 45692), (9360, 34269), (11423, 28080), (14040, 22846)]