64666000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 160

約数和(自身を含む): 185702400

約数和(自身を除く): 121036400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 149, 155, 175, 200, 217, 248, 250, 280, 298, 310, 350, 400, 434, 496, 500, 560, 596, 620, 700, 745, 775, 868, 875, 1000, 1043, 1085, 1192, 1240, 1400, 1490, 1550, 1736, 1750, 2000, 2086, 2170, 2384, 2480, 2800, 2980, 3100, 3472, 3500, 3725, 3875, 4172, 4340, 4619, 5215, 5425, 5960, 6200, 7000, 7450, 7750, 8344, 8680, 9238, 10430, 10850, 11920, 12400, 14000, 14900, 15500, 16688, 17360, 18476, 18625, 20860, 21700, 23095, 26075, 27125, 29800, 31000, 32333, 36952, 37250, 41720, 43400, 46190, 52150, 54250, 59600, 62000, 64666, 73904, 74500, 83440, 86800, 92380, 104300, 108500, 115475, 129332, 130375, 149000, 161665, 184760, 208600, 217000, 230950, 258664, 260750, 298000, 323330, 369520, 417200, 434000, 461900, 517328, 521500, 577375, 646660, 808325, 923800, 1043000, 1154750, 1293320, 1616650, 1847600, 2086000, 2309500, 2586640, 3233300, 4041625, 4619000, 6466600, 8083250, 9238000, 12933200, 16166500, 32333000, 64666000]

約数ペア:

[(1, 64666000), (2, 32333000), (4, 16166500), (5, 12933200), (7, 9238000), (8, 8083250), (10, 6466600), (14, 4619000), (16, 4041625), (20, 3233300), (25, 2586640), (28, 2309500), (31, 2086000), (35, 1847600), (40, 1616650), (50, 1293320), (56, 1154750), (62, 1043000), (70, 923800), (80, 808325), (100, 646660), (112, 577375), (124, 521500), (125, 517328), (140, 461900), (149, 434000), (155, 417200), (175, 369520), (200, 323330), (217, 298000), (248, 260750), (250, 258664), (280, 230950), (298, 217000), (310, 208600), (350, 184760), (400, 161665), (434, 149000), (496, 130375), (500, 129332), (560, 115475), (596, 108500), (620, 104300), (700, 92380), (745, 86800), (775, 83440), (868, 74500), (875, 73904), (1000, 64666), (1043, 62000), (1085, 59600), (1192, 54250), (1240, 52150), (1400, 46190), (1490, 43400), (1550, 41720), (1736, 37250), (1750, 36952), (2000, 32333), (2086, 31000), (2170, 29800), (2384, 27125), (2480, 26075), (2800, 23095), (2980, 21700), (3100, 20860), (3472, 18625), (3500, 18476), (3725, 17360), (3875, 16688), (4172, 15500), (4340, 14900), (4619, 14000), (5215, 12400), (5425, 11920), (5960, 10850), (6200, 10430), (7000, 9238), (7450, 8680), (7750, 8344)]