306951680

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{2447}}^1$

素因数の和:2484

約数の個数: 120

約数和(自身を含む): 856471968

約数和(自身を除く): 549520288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2447, 2560, 3136, 3584, 3920, 4480, 4894, 6272, 7840, 8960, 9788, 12235, 12544, 15680, 17129, 17920, 19576, 24470, 25088, 31360, 34258, 39152, 48940, 62720, 68516, 78304, 85645, 97880, 119903, 125440, 137032, 156608, 171290, 195760, 239806, 274064, 313216, 342580, 391520, 479612, 548128, 599515, 626432, 685160, 783040, 959224, 1096256, 1199030, 1252864, 1370320, 1566080, 1918448, 2192512, 2398060, 2740640, 3132160, 3836896, 4385024, 4796120, 5481280, 6264320, 7673792, 8770048, 9592240, 10962560, 15347584, 19184480, 21925120, 30695168, 38368960, 43850240, 61390336, 76737920, 153475840, 306951680]

約数ペア:

[(1, 306951680), (2, 153475840), (4, 76737920), (5, 61390336), (7, 43850240), (8, 38368960), (10, 30695168), (14, 21925120), (16, 19184480), (20, 15347584), (28, 10962560), (32, 9592240), (35, 8770048), (40, 7673792), (49, 6264320), (56, 5481280), (64, 4796120), (70, 4385024), (80, 3836896), (98, 3132160), (112, 2740640), (128, 2398060), (140, 2192512), (160, 1918448), (196, 1566080), (224, 1370320), (245, 1252864), (256, 1199030), (280, 1096256), (320, 959224), (392, 783040), (448, 685160), (490, 626432), (512, 599515), (560, 548128), (640, 479612), (784, 391520), (896, 342580), (980, 313216), (1120, 274064), (1280, 239806), (1568, 195760), (1792, 171290), (1960, 156608), (2240, 137032), (2447, 125440), (2560, 119903), (3136, 97880), (3584, 85645), (3920, 78304), (4480, 68516), (4894, 62720), (6272, 48940), (7840, 39152), (8960, 34258), (9788, 31360), (12235, 25088), (12544, 24470), (15680, 19576), (17129, 17920)]