641867520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{23879}}^1$

素因数の和:23910

約数の個数: 144

約数和(自身を含む): 2342914560

約数和(自身を除く): 1701047040

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 23879, 26880, 47758, 71637, 95516, 119395, 143274, 167153, 191032, 238790, 286548, 334306, 358185, 382064, 477580, 501459, 573096, 668612, 716370, 764128, 835765, 955160, 1002918, 1146192, 1337224, 1432740, 1528256, 1671530, 1910320, 2005836, 2292384, 2507295, 2674448, 2865480, 3056512, 3343060, 3820640, 4011672, 4584768, 5014590, 5348896, 5730960, 6113024, 6686120, 7641280, 8023344, 9169536, 10029180, 10697792, 11461920, 13372240, 15282560, 16046688, 18339072, 20058360, 21395584, 22923840, 26744480, 30565120, 32093376, 40116720, 42791168, 45847680, 53488960, 64186752, 80233440, 91695360, 106977920, 128373504, 160466880, 213955840, 320933760, 641867520]

約数ペア:

[(1, 641867520), (2, 320933760), (3, 213955840), (4, 160466880), (5, 128373504), (6, 106977920), (7, 91695360), (8, 80233440), (10, 64186752), (12, 53488960), (14, 45847680), (15, 42791168), (16, 40116720), (20, 32093376), (21, 30565120), (24, 26744480), (28, 22923840), (30, 21395584), (32, 20058360), (35, 18339072), (40, 16046688), (42, 15282560), (48, 13372240), (56, 11461920), (60, 10697792), (64, 10029180), (70, 9169536), (80, 8023344), (84, 7641280), (96, 6686120), (105, 6113024), (112, 5730960), (120, 5348896), (128, 5014590), (140, 4584768), (160, 4011672), (168, 3820640), (192, 3343060), (210, 3056512), (224, 2865480), (240, 2674448), (256, 2507295), (280, 2292384), (320, 2005836), (336, 1910320), (384, 1671530), (420, 1528256), (448, 1432740), (480, 1337224), (560, 1146192), (640, 1002918), (672, 955160), (768, 835765), (840, 764128), (896, 716370), (960, 668612), (1120, 573096), (1280, 501459), (1344, 477580), (1680, 382064), (1792, 358185), (1920, 334306), (2240, 286548), (2688, 238790), (3360, 191032), (3840, 167153), (4480, 143274), (5376, 119395), (6720, 95516), (8960, 71637), (13440, 47758), (23879, 26880)]