15953000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 44478720

約数和(自身を除く): 28525720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 53, 56, 70, 86, 100, 106, 125, 140, 172, 175, 200, 212, 215, 250, 265, 280, 301, 344, 350, 371, 424, 430, 500, 530, 602, 700, 742, 860, 875, 1000, 1060, 1075, 1204, 1325, 1400, 1484, 1505, 1720, 1750, 1855, 2120, 2150, 2279, 2408, 2650, 2968, 3010, 3500, 3710, 4300, 4558, 5300, 5375, 6020, 6625, 7000, 7420, 7525, 8600, 9116, 9275, 10600, 10750, 11395, 12040, 13250, 14840, 15050, 15953, 18232, 18550, 21500, 22790, 26500, 30100, 31906, 37100, 37625, 43000, 45580, 46375, 53000, 56975, 60200, 63812, 74200, 75250, 79765, 91160, 92750, 113950, 127624, 150500, 159530, 185500, 227900, 284875, 301000, 319060, 371000, 398825, 455800, 569750, 638120, 797650, 1139500, 1595300, 1994125, 2279000, 3190600, 3988250, 7976500, 15953000]

約数ペア:

[(1, 15953000), (2, 7976500), (4, 3988250), (5, 3190600), (7, 2279000), (8, 1994125), (10, 1595300), (14, 1139500), (20, 797650), (25, 638120), (28, 569750), (35, 455800), (40, 398825), (43, 371000), (50, 319060), (53, 301000), (56, 284875), (70, 227900), (86, 185500), (100, 159530), (106, 150500), (125, 127624), (140, 113950), (172, 92750), (175, 91160), (200, 79765), (212, 75250), (215, 74200), (250, 63812), (265, 60200), (280, 56975), (301, 53000), (344, 46375), (350, 45580), (371, 43000), (424, 37625), (430, 37100), (500, 31906), (530, 30100), (602, 26500), (700, 22790), (742, 21500), (860, 18550), (875, 18232), (1000, 15953), (1060, 15050), (1075, 14840), (1204, 13250), (1325, 12040), (1400, 11395), (1484, 10750), (1505, 10600), (1720, 9275), (1750, 9116), (1855, 8600), (2120, 7525), (2150, 7420), (2279, 7000), (2408, 6625), (2650, 6020), (2968, 5375), (3010, 5300), (3500, 4558), (3710, 4300)]