421518720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 256

約数和(自身を含む): 1558886400

約数和(自身を除く): 1137367680

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, 79, 80, 84, 96, 105, 112, 120, 128, 140, 158, 160, 168, 192, 210, 224, 237, 240, 280, 316, 320, 336, 384, 395, 397, 420, 448, 474, 480, 553, 560, 632, 640, 672, 790, 794, 840, 896, 948, 960, 1106, 1120, 1185, 1191, 1264, 1344, 1580, 1588, 1659, 1680, 1896, 1920, 1985, 2212, 2240, 2370, 2382, 2528, 2688, 2765, 2779, 3160, 3176, 3318, 3360, 3792, 3970, 4424, 4480, 4740, 4764, 5056, 5530, 5558, 5955, 6320, 6352, 6636, 6720, 7584, 7940, 8295, 8337, 8848, 9480, 9528, 10112, 11060, 11116, 11910, 12640, 12704, 13272, 13440, 13895, 15168, 15880, 16590, 16674, 17696, 18960, 19056, 22120, 22232, 23820, 25280, 25408, 26544, 27790, 30336, 31363, 31760, 33180, 33348, 35392, 37920, 38112, 41685, 44240, 44464, 47640, 50560, 50816, 53088, 55580, 62726, 63520, 66360, 66696, 70784, 75840, 76224, 83370, 88480, 88928, 94089, 95280, 106176, 111160, 125452, 127040, 132720, 133392, 151680, 152448, 156815, 166740, 176960, 177856, 188178, 190560, 212352, 219541, 222320, 250904, 254080, 265440, 266784, 313630, 333480, 353920, 355712, 376356, 381120, 439082, 444640, 470445, 501808, 530880, 533568, 627260, 658623, 666960, 752712, 762240, 878164, 889280, 940890, 1003616, 1061760, 1067136, 1097705, 1254520, 1317246, 1333920, 1505424, 1756328, 1778560, 1881780, 2007232, 2195410, 2509040, 2634492, 2667840, 3010848, 3293115, 3512656, 3763560, 4014464, 4390820, 5018080, 5268984, 5335680, 6021696, 6586230, 7025312, 7527120, 8781640, 10036160, 10537968, 12043392, 13172460, 14050624, 15054240, 17563280, 20072320, 21075936, 26344920, 28101248, 30108480, 35126560, 42151872, 52689840, 60216960, 70253120, 84303744, 105379680, 140506240, 210759360, 421518720]

約数ペア:

[(1, 421518720), (2, 210759360), (3, 140506240), (4, 105379680), (5, 84303744), (6, 70253120), (7, 60216960), (8, 52689840), (10, 42151872), (12, 35126560), (14, 30108480), (15, 28101248), (16, 26344920), (20, 21075936), (21, 20072320), (24, 17563280), (28, 15054240), (30, 14050624), (32, 13172460), (35, 12043392), (40, 10537968), (42, 10036160), (48, 8781640), (56, 7527120), (60, 7025312), (64, 6586230), (70, 6021696), (79, 5335680), (80, 5268984), (84, 5018080), (96, 4390820), (105, 4014464), (112, 3763560), (120, 3512656), (128, 3293115), (140, 3010848), (158, 2667840), (160, 2634492), (168, 2509040), (192, 2195410), (210, 2007232), (224, 1881780), (237, 1778560), (240, 1756328), (280, 1505424), (316, 1333920), (320, 1317246), (336, 1254520), (384, 1097705), (395, 1067136), (397, 1061760), (420, 1003616), (448, 940890), (474, 889280), (480, 878164), (553, 762240), (560, 752712), (632, 666960), (640, 658623), (672, 627260), (790, 533568), (794, 530880), (840, 501808), (896, 470445), (948, 444640), (960, 439082), (1106, 381120), (1120, 376356), (1185, 355712), (1191, 353920), (1264, 333480), (1344, 313630), (1580, 266784), (1588, 265440), (1659, 254080), (1680, 250904), (1896, 222320), (1920, 219541), (1985, 212352), (2212, 190560), (2240, 188178), (2370, 177856), (2382, 176960), (2528, 166740), (2688, 156815), (2765, 152448), (2779, 151680), (3160, 133392), (3176, 132720), (3318, 127040), (3360, 125452), (3792, 111160), (3970, 106176), (4424, 95280), (4480, 94089), (4740, 88928), (4764, 88480), (5056, 83370), (5530, 76224), (5558, 75840), (5955, 70784), (6320, 66696), (6352, 66360), (6636, 63520), (6720, 62726), (7584, 55580), (7940, 53088), (8295, 50816), (8337, 50560), (8848, 47640), (9480, 44464), (9528, 44240), (10112, 41685), (11060, 38112), (11116, 37920), (11910, 35392), (12640, 33348), (12704, 33180), (13272, 31760), (13440, 31363), (13895, 30336), (15168, 27790), (15880, 26544), (16590, 25408), (16674, 25280), (17696, 23820), (18960, 22232), (19056, 22120)]