328153600

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:886

約数の個数: 120

約数和(自身を含む): 840267648

約数和(自身を除く): 512114048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 827, 992, 1240, 1280, 1550, 1600, 1654, 1984, 2480, 2560, 3100, 3200, 3308, 3968, 4135, 4960, 6200, 6400, 6616, 7936, 8270, 9920, 12400, 12800, 13232, 15872, 16540, 19840, 20675, 24800, 25637, 26464, 33080, 39680, 41350, 49600, 51274, 52928, 66160, 79360, 82700, 99200, 102548, 105856, 128185, 132320, 165400, 198400, 205096, 211712, 256370, 264640, 330800, 396800, 410192, 423424, 512740, 529280, 640925, 661600, 820384, 1025480, 1058560, 1281850, 1323200, 1640768, 2050960, 2117120, 2563700, 2646400, 3281536, 4101920, 5127400, 5292800, 6563072, 8203840, 10254800, 10585600, 13126144, 16407680, 20509600, 32815360, 41019200, 65630720, 82038400, 164076800, 328153600]

約数ペア:

[(1, 328153600), (2, 164076800), (4, 82038400), (5, 65630720), (8, 41019200), (10, 32815360), (16, 20509600), (20, 16407680), (25, 13126144), (31, 10585600), (32, 10254800), (40, 8203840), (50, 6563072), (62, 5292800), (64, 5127400), (80, 4101920), (100, 3281536), (124, 2646400), (128, 2563700), (155, 2117120), (160, 2050960), (200, 1640768), (248, 1323200), (256, 1281850), (310, 1058560), (320, 1025480), (400, 820384), (496, 661600), (512, 640925), (620, 529280), (640, 512740), (775, 423424), (800, 410192), (827, 396800), (992, 330800), (1240, 264640), (1280, 256370), (1550, 211712), (1600, 205096), (1654, 198400), (1984, 165400), (2480, 132320), (2560, 128185), (3100, 105856), (3200, 102548), (3308, 99200), (3968, 82700), (4135, 79360), (4960, 66160), (6200, 52928), (6400, 51274), (6616, 49600), (7936, 41350), (8270, 39680), (9920, 33080), (12400, 26464), (12800, 25637), (13232, 24800), (15872, 20675), (16540, 19840)]