81129780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26513}}^1$

素因数の和:26545

約数の個数: 72

約数和(自身を含む): 260579592

約数和(自身を除く): 179449812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26513, 53026, 79539, 106052, 132565, 159078, 238617, 265130, 318156, 397695, 450721, 477234, 530260, 795390, 901442, 954468, 1193085, 1352163, 1590780, 1802884, 2253605, 2386170, 2704326, 4056489, 4507210, 4772340, 5408652, 6760815, 8112978, 9014420, 13521630, 16225956, 20282445, 27043260, 40564890, 81129780]

約数ペア:

[(1, 81129780), (2, 40564890), (3, 27043260), (4, 20282445), (5, 16225956), (6, 13521630), (9, 9014420), (10, 8112978), (12, 6760815), (15, 5408652), (17, 4772340), (18, 4507210), (20, 4056489), (30, 2704326), (34, 2386170), (36, 2253605), (45, 1802884), (51, 1590780), (60, 1352163), (68, 1193085), (85, 954468), (90, 901442), (102, 795390), (153, 530260), (170, 477234), (180, 450721), (204, 397695), (255, 318156), (306, 265130), (340, 238617), (510, 159078), (612, 132565), (765, 106052), (1020, 79539), (1530, 53026), (3060, 26513)]