28747800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{15971}}^1$

素因数の和:15993

約数の個数: 72

約数和(自身を含む): 96550740

約数和(自身を除く): 67802940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 15971, 31942, 47913, 63884, 79855, 95826, 127768, 143739, 159710, 191652, 239565, 287478, 319420, 383304, 399275, 479130, 574956, 638840, 718695, 798550, 958260, 1149912, 1197825, 1437390, 1597100, 1916520, 2395650, 2874780, 3194200, 3593475, 4791300, 5749560, 7186950, 9582600, 14373900, 28747800]

約数ペア:

[(1, 28747800), (2, 14373900), (3, 9582600), (4, 7186950), (5, 5749560), (6, 4791300), (8, 3593475), (9, 3194200), (10, 2874780), (12, 2395650), (15, 1916520), (18, 1597100), (20, 1437390), (24, 1197825), (25, 1149912), (30, 958260), (36, 798550), (40, 718695), (45, 638840), (50, 574956), (60, 479130), (72, 399275), (75, 383304), (90, 319420), (100, 287478), (120, 239565), (150, 191652), (180, 159710), (200, 143739), (225, 127768), (300, 95826), (360, 79855), (450, 63884), (600, 47913), (900, 31942), (1800, 15971)]