320687360

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{5113}}^1$

素因数の和:5148

約数の個数: 108

約数和(自身を含む): 893732868

約数和(自身を除く): 573045508

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 5113, 6272, 7840, 8960, 10226, 12544, 15680, 20452, 25565, 31360, 35791, 40904, 51130, 62720, 71582, 81808, 102260, 143164, 163616, 178955, 204520, 250537, 286328, 327232, 357910, 409040, 501074, 572656, 654464, 715820, 818080, 1002148, 1145312, 1252685, 1308928, 1431640, 1636160, 2004296, 2290624, 2505370, 2863280, 3272320, 4008592, 4581248, 5010740, 5726560, 6544640, 8017184, 9162496, 10021480, 11453120, 16034368, 20042960, 22906240, 32068736, 40085920, 45812480, 64137472, 80171840, 160343680, 320687360]

約数ペア:

[(1, 320687360), (2, 160343680), (4, 80171840), (5, 64137472), (7, 45812480), (8, 40085920), (10, 32068736), (14, 22906240), (16, 20042960), (20, 16034368), (28, 11453120), (32, 10021480), (35, 9162496), (40, 8017184), (49, 6544640), (56, 5726560), (64, 5010740), (70, 4581248), (80, 4008592), (98, 3272320), (112, 2863280), (128, 2505370), (140, 2290624), (160, 2004296), (196, 1636160), (224, 1431640), (245, 1308928), (256, 1252685), (280, 1145312), (320, 1002148), (392, 818080), (448, 715820), (490, 654464), (560, 572656), (640, 501074), (784, 409040), (896, 357910), (980, 327232), (1120, 286328), (1280, 250537), (1568, 204520), (1792, 178955), (1960, 163616), (2240, 143164), (3136, 102260), (3920, 81808), (4480, 71582), (5113, 62720), (6272, 51130), (7840, 40904), (8960, 35791), (10226, 31360), (12544, 25565), (15680, 20452)]