80505504

素因数分解:

$2^5\times 3^2\times {\mathrm{443}}^1\times {\mathrm{631}}^1$

素因数の和:1090

約数の個数: 72

約数和(自身を含む): 229817952

約数和(自身を除く): 149312448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 443, 631, 886, 1262, 1329, 1772, 1893, 2524, 2658, 3544, 3786, 3987, 5048, 5316, 5679, 7088, 7572, 7974, 10096, 10632, 11358, 14176, 15144, 15948, 20192, 21264, 22716, 30288, 31896, 42528, 45432, 60576, 63792, 90864, 127584, 181728, 279533, 559066, 838599, 1118132, 1677198, 2236264, 2515797, 3354396, 4472528, 5031594, 6708792, 8945056, 10063188, 13417584, 20126376, 26835168, 40252752, 80505504]

約数ペア:

[(1, 80505504), (2, 40252752), (3, 26835168), (4, 20126376), (6, 13417584), (8, 10063188), (9, 8945056), (12, 6708792), (16, 5031594), (18, 4472528), (24, 3354396), (32, 2515797), (36, 2236264), (48, 1677198), (72, 1118132), (96, 838599), (144, 559066), (288, 279533), (443, 181728), (631, 127584), (886, 90864), (1262, 63792), (1329, 60576), (1772, 45432), (1893, 42528), (2524, 31896), (2658, 30288), (3544, 22716), (3786, 21264), (3987, 20192), (5048, 15948), (5316, 15144), (5679, 14176), (7088, 11358), (7572, 10632), (7974, 10096)]