277710720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{20663}}^1$

素因数の和:20692

約数の個数: 128

約数和(自身を含む): 1011709440

約数和(自身を除く): 733998720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 20663, 41326, 61989, 82652, 103315, 123978, 144641, 165304, 206630, 247956, 289282, 309945, 330608, 413260, 433923, 495912, 578564, 619890, 661216, 723205, 826520, 867846, 991824, 1157128, 1239780, 1322432, 1446410, 1653040, 1735692, 1983648, 2169615, 2314256, 2479560, 2644864, 2892820, 3306080, 3471384, 3967296, 4339230, 4628512, 4959120, 5785640, 6612160, 6942768, 7934592, 8678460, 9257024, 9918240, 11571280, 13224320, 13885536, 17356920, 18514048, 19836480, 23142560, 27771072, 34713840, 39672960, 46285120, 55542144, 69427680, 92570240, 138855360, 277710720]

約数ペア:

[(1, 277710720), (2, 138855360), (3, 92570240), (4, 69427680), (5, 55542144), (6, 46285120), (7, 39672960), (8, 34713840), (10, 27771072), (12, 23142560), (14, 19836480), (15, 18514048), (16, 17356920), (20, 13885536), (21, 13224320), (24, 11571280), (28, 9918240), (30, 9257024), (32, 8678460), (35, 7934592), (40, 6942768), (42, 6612160), (48, 5785640), (56, 4959120), (60, 4628512), (64, 4339230), (70, 3967296), (80, 3471384), (84, 3306080), (96, 2892820), (105, 2644864), (112, 2479560), (120, 2314256), (128, 2169615), (140, 1983648), (160, 1735692), (168, 1653040), (192, 1446410), (210, 1322432), (224, 1239780), (240, 1157128), (280, 991824), (320, 867846), (336, 826520), (384, 723205), (420, 661216), (448, 619890), (480, 578564), (560, 495912), (640, 433923), (672, 413260), (840, 330608), (896, 309945), (960, 289282), (1120, 247956), (1344, 206630), (1680, 165304), (1920, 144641), (2240, 123978), (2688, 103315), (3360, 82652), (4480, 61989), (6720, 41326), (13440, 20663)]