81399000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 128

約数和(自身を含む): 260282880

約数和(自身を除く): 178883880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 129, 150, 172, 200, 215, 250, 258, 300, 344, 375, 430, 500, 516, 600, 631, 645, 750, 860, 1000, 1032, 1075, 1262, 1290, 1500, 1720, 1893, 2150, 2524, 2580, 3000, 3155, 3225, 3786, 4300, 5048, 5160, 5375, 6310, 6450, 7572, 8600, 9465, 10750, 12620, 12900, 15144, 15775, 16125, 18930, 21500, 25240, 25800, 27133, 31550, 32250, 37860, 43000, 47325, 54266, 63100, 64500, 75720, 78875, 81399, 94650, 108532, 126200, 129000, 135665, 157750, 162798, 189300, 217064, 236625, 271330, 315500, 325596, 378600, 406995, 473250, 542660, 631000, 651192, 678325, 813990, 946500, 1085320, 1356650, 1627980, 1893000, 2034975, 2713300, 3255960, 3391625, 4069950, 5426600, 6783250, 8139900, 10174875, 13566500, 16279800, 20349750, 27133000, 40699500, 81399000]

約数ペア:

[(1, 81399000), (2, 40699500), (3, 27133000), (4, 20349750), (5, 16279800), (6, 13566500), (8, 10174875), (10, 8139900), (12, 6783250), (15, 5426600), (20, 4069950), (24, 3391625), (25, 3255960), (30, 2713300), (40, 2034975), (43, 1893000), (50, 1627980), (60, 1356650), (75, 1085320), (86, 946500), (100, 813990), (120, 678325), (125, 651192), (129, 631000), (150, 542660), (172, 473250), (200, 406995), (215, 378600), (250, 325596), (258, 315500), (300, 271330), (344, 236625), (375, 217064), (430, 189300), (500, 162798), (516, 157750), (600, 135665), (631, 129000), (645, 126200), (750, 108532), (860, 94650), (1000, 81399), (1032, 78875), (1075, 75720), (1262, 64500), (1290, 63100), (1500, 54266), (1720, 47325), (1893, 43000), (2150, 37860), (2524, 32250), (2580, 31550), (3000, 27133), (3155, 25800), (3225, 25240), (3786, 21500), (4300, 18930), (5048, 16125), (5160, 15775), (5375, 15144), (6310, 12900), (6450, 12620), (7572, 10750), (8600, 9465)]