67277440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3441

約数の個数: 64

約数和(自身を含む): 166072320

約数和(自身を除く): 98794880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3391, 3968, 4960, 6782, 9920, 13564, 16955, 19840, 27128, 33910, 54256, 67820, 105121, 108512, 135640, 210242, 217024, 271280, 420484, 434048, 525605, 542560, 840968, 1051210, 1085120, 1681936, 2102420, 2170240, 3363872, 4204840, 6727744, 8409680, 13455488, 16819360, 33638720, 67277440]

約数ペア:

[(1, 67277440), (2, 33638720), (4, 16819360), (5, 13455488), (8, 8409680), (10, 6727744), (16, 4204840), (20, 3363872), (31, 2170240), (32, 2102420), (40, 1681936), (62, 1085120), (64, 1051210), (80, 840968), (124, 542560), (128, 525605), (155, 434048), (160, 420484), (248, 271280), (310, 217024), (320, 210242), (496, 135640), (620, 108512), (640, 105121), (992, 67820), (1240, 54256), (1984, 33910), (2480, 27128), (3391, 19840), (3968, 16955), (4960, 13564), (6782, 9920)]