81598720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1301}}^1$

素因数の和:1336

約数の個数: 108

約数和(自身を含む): 227540124

約数和(自身を除く): 145941404

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, 1301, 1568, 1792, 1960, 2240, 2602, 3136, 3920, 4480, 5204, 6272, 6505, 7840, 8960, 9107, 10408, 12544, 13010, 15680, 18214, 20816, 26020, 31360, 36428, 41632, 45535, 52040, 62720, 63749, 72856, 83264, 91070, 104080, 127498, 145712, 166528, 182140, 208160, 254996, 291424, 318745, 333056, 364280, 416320, 509992, 582848, 637490, 728560, 832640, 1019984, 1165696, 1274980, 1457120, 1665280, 2039968, 2331392, 2549960, 2914240, 4079936, 5099920, 5828480, 8159872, 10199840, 11656960, 16319744, 20399680, 40799360, 81598720]

約数ペア:

[(1, 81598720), (2, 40799360), (4, 20399680), (5, 16319744), (7, 11656960), (8, 10199840), (10, 8159872), (14, 5828480), (16, 5099920), (20, 4079936), (28, 2914240), (32, 2549960), (35, 2331392), (40, 2039968), (49, 1665280), (56, 1457120), (64, 1274980), (70, 1165696), (80, 1019984), (98, 832640), (112, 728560), (128, 637490), (140, 582848), (160, 509992), (196, 416320), (224, 364280), (245, 333056), (256, 318745), (280, 291424), (320, 254996), (392, 208160), (448, 182140), (490, 166528), (560, 145712), (640, 127498), (784, 104080), (896, 91070), (980, 83264), (1120, 72856), (1280, 63749), (1301, 62720), (1568, 52040), (1792, 45535), (1960, 41632), (2240, 36428), (2602, 31360), (3136, 26020), (3920, 20816), (4480, 18214), (5204, 15680), (6272, 13010), (6505, 12544), (7840, 10408), (8960, 9107)]