81023700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15887}}^1$

素因数の和:15921

約数の個数: 72

約数和(自身を含む): 248234112

約数和(自身を除く): 167210412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 15887, 31774, 47661, 63548, 79435, 95322, 158870, 190644, 238305, 270079, 317740, 397175, 476610, 540158, 794350, 810237, 953220, 1080316, 1191525, 1350395, 1588700, 1620474, 2383050, 2700790, 3240948, 4051185, 4766100, 5401580, 6751975, 8102370, 13503950, 16204740, 20255925, 27007900, 40511850, 81023700]

約数ペア:

[(1, 81023700), (2, 40511850), (3, 27007900), (4, 20255925), (5, 16204740), (6, 13503950), (10, 8102370), (12, 6751975), (15, 5401580), (17, 4766100), (20, 4051185), (25, 3240948), (30, 2700790), (34, 2383050), (50, 1620474), (51, 1588700), (60, 1350395), (68, 1191525), (75, 1080316), (85, 953220), (100, 810237), (102, 794350), (150, 540158), (170, 476610), (204, 397175), (255, 317740), (300, 270079), (340, 238305), (425, 190644), (510, 158870), (850, 95322), (1020, 79435), (1275, 63548), (1700, 47661), (2550, 31774), (5100, 15887)]