303281680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 160

約数和(自身を含む): 819947520

約数和(自身を除く): 516665840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 184, 208, 230, 248, 260, 299, 310, 368, 403, 409, 460, 496, 520, 598, 620, 713, 806, 818, 920, 1040, 1196, 1240, 1426, 1495, 1612, 1636, 1840, 2015, 2045, 2392, 2480, 2852, 2990, 3224, 3272, 3565, 4030, 4090, 4784, 5317, 5704, 5980, 6448, 6544, 7130, 8060, 8180, 9269, 9407, 10634, 11408, 11960, 12679, 14260, 16120, 16360, 18538, 18814, 21268, 23920, 25358, 26585, 28520, 32240, 32720, 37076, 37628, 42536, 46345, 47035, 50716, 53170, 57040, 63395, 74152, 75256, 85072, 92690, 94070, 101432, 106340, 122291, 126790, 148304, 150512, 164827, 185380, 188140, 202864, 212680, 244582, 253580, 291617, 329654, 370760, 376280, 425360, 489164, 507160, 583234, 611455, 659308, 741520, 752560, 824135, 978328, 1014320, 1166468, 1222910, 1318616, 1458085, 1648270, 1956656, 2332936, 2445820, 2637232, 2916170, 3296540, 3791021, 4665872, 4891640, 5832340, 6593080, 7582042, 9783280, 11664680, 13186160, 15164084, 18955105, 23329360, 30328168, 37910210, 60656336, 75820420, 151640840, 303281680]

約数ペア:

[(1, 303281680), (2, 151640840), (4, 75820420), (5, 60656336), (8, 37910210), (10, 30328168), (13, 23329360), (16, 18955105), (20, 15164084), (23, 13186160), (26, 11664680), (31, 9783280), (40, 7582042), (46, 6593080), (52, 5832340), (62, 4891640), (65, 4665872), (80, 3791021), (92, 3296540), (104, 2916170), (115, 2637232), (124, 2445820), (130, 2332936), (155, 1956656), (184, 1648270), (208, 1458085), (230, 1318616), (248, 1222910), (260, 1166468), (299, 1014320), (310, 978328), (368, 824135), (403, 752560), (409, 741520), (460, 659308), (496, 611455), (520, 583234), (598, 507160), (620, 489164), (713, 425360), (806, 376280), (818, 370760), (920, 329654), (1040, 291617), (1196, 253580), (1240, 244582), (1426, 212680), (1495, 202864), (1612, 188140), (1636, 185380), (1840, 164827), (2015, 150512), (2045, 148304), (2392, 126790), (2480, 122291), (2852, 106340), (2990, 101432), (3224, 94070), (3272, 92690), (3565, 85072), (4030, 75256), (4090, 74152), (4784, 63395), (5317, 57040), (5704, 53170), (5980, 50716), (6448, 47035), (6544, 46345), (7130, 42536), (8060, 37628), (8180, 37076), (9269, 32720), (9407, 32240), (10634, 28520), (11408, 26585), (11960, 25358), (12679, 23920), (14260, 21268), (16120, 18814), (16360, 18538)]