305843520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 224

約数和(自身を含む): 1029980160

約数和(自身を除く): 724136640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 64, 80, 86, 93, 96, 120, 124, 129, 155, 160, 172, 186, 192, 215, 239, 240, 248, 258, 310, 320, 344, 372, 430, 465, 478, 480, 496, 516, 620, 645, 688, 717, 744, 860, 930, 956, 960, 992, 1032, 1195, 1240, 1290, 1333, 1376, 1434, 1488, 1720, 1860, 1912, 1984, 2064, 2390, 2480, 2580, 2666, 2752, 2868, 2976, 3440, 3585, 3720, 3824, 3999, 4128, 4780, 4960, 5160, 5332, 5736, 5952, 6665, 6880, 7170, 7409, 7440, 7648, 7998, 8256, 9560, 9920, 10277, 10320, 10664, 11472, 13330, 13760, 14340, 14818, 14880, 15296, 15996, 19120, 19995, 20554, 20640, 21328, 22227, 22944, 26660, 28680, 29636, 29760, 30831, 31992, 37045, 38240, 39990, 41108, 41280, 42656, 44454, 45888, 51385, 53320, 57360, 59272, 61662, 63984, 74090, 76480, 79980, 82216, 85312, 88908, 102770, 106640, 111135, 114720, 118544, 123324, 127968, 148180, 154155, 159960, 164432, 177816, 205540, 213280, 222270, 229440, 237088, 246648, 255936, 296360, 308310, 318587, 319920, 328864, 355632, 411080, 426560, 444540, 474176, 493296, 592720, 616620, 637174, 639840, 657728, 711264, 822160, 889080, 955761, 986592, 1185440, 1233240, 1274348, 1279680, 1422528, 1592935, 1644320, 1778160, 1911522, 1973184, 2370880, 2466480, 2548696, 3185870, 3288640, 3556320, 3823044, 4778805, 4932960, 5097392, 6371740, 7112640, 7646088, 9557610, 9865920, 10194784, 12743480, 15292176, 19115220, 20389568, 25486960, 30584352, 38230440, 50973920, 61168704, 76460880, 101947840, 152921760, 305843520]

約数ペア:

[(1, 305843520), (2, 152921760), (3, 101947840), (4, 76460880), (5, 61168704), (6, 50973920), (8, 38230440), (10, 30584352), (12, 25486960), (15, 20389568), (16, 19115220), (20, 15292176), (24, 12743480), (30, 10194784), (31, 9865920), (32, 9557610), (40, 7646088), (43, 7112640), (48, 6371740), (60, 5097392), (62, 4932960), (64, 4778805), (80, 3823044), (86, 3556320), (93, 3288640), (96, 3185870), (120, 2548696), (124, 2466480), (129, 2370880), (155, 1973184), (160, 1911522), (172, 1778160), (186, 1644320), (192, 1592935), (215, 1422528), (239, 1279680), (240, 1274348), (248, 1233240), (258, 1185440), (310, 986592), (320, 955761), (344, 889080), (372, 822160), (430, 711264), (465, 657728), (478, 639840), (480, 637174), (496, 616620), (516, 592720), (620, 493296), (645, 474176), (688, 444540), (717, 426560), (744, 411080), (860, 355632), (930, 328864), (956, 319920), (960, 318587), (992, 308310), (1032, 296360), (1195, 255936), (1240, 246648), (1290, 237088), (1333, 229440), (1376, 222270), (1434, 213280), (1488, 205540), (1720, 177816), (1860, 164432), (1912, 159960), (1984, 154155), (2064, 148180), (2390, 127968), (2480, 123324), (2580, 118544), (2666, 114720), (2752, 111135), (2868, 106640), (2976, 102770), (3440, 88908), (3585, 85312), (3720, 82216), (3824, 79980), (3999, 76480), (4128, 74090), (4780, 63984), (4960, 61662), (5160, 59272), (5332, 57360), (5736, 53320), (5952, 51385), (6665, 45888), (6880, 44454), (7170, 42656), (7409, 41280), (7440, 41108), (7648, 39990), (7998, 38240), (8256, 37045), (9560, 31992), (9920, 30831), (10277, 29760), (10320, 29636), (10664, 28680), (11472, 26660), (13330, 22944), (13760, 22227), (14340, 21328), (14818, 20640), (14880, 20554), (15296, 19995), (15996, 19120)]