212345280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{3511}}^1$

素因数の和:3544

約数の個数: 224

約数和(自身を含む): 856366080

約数和(自身を除く): 644020800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3511, 3780, 4032, 4320, 5040, 6048, 6720, 7022, 7560, 8640, 10080, 10533, 12096, 14044, 15120, 17555, 20160, 21066, 24577, 28088, 30240, 31599, 35110, 42132, 49154, 52665, 56176, 60480, 63198, 70220, 73731, 84264, 94797, 98308, 105330, 112352, 122885, 126396, 140440, 147462, 157995, 168528, 189594, 196616, 210660, 221193, 224704, 245770, 252792, 280880, 294924, 315990, 337056, 368655, 379188, 393232, 421320, 442386, 473985, 491540, 505584, 561760, 589848, 631980, 663579, 674112, 737310, 758376, 786464, 842640, 884772, 947970, 983080, 1011168, 1105965, 1123520, 1179696, 1263960, 1327158, 1474620, 1516752, 1572928, 1685280, 1769544, 1895940, 1966160, 2022336, 2211930, 2359392, 2527920, 2654316, 2949240, 3033504, 3317895, 3370560, 3539088, 3791880, 3932320, 4423860, 4718784, 5055840, 5308632, 5898480, 6067008, 6635790, 7078176, 7583760, 7864640, 8847720, 10111680, 10617264, 11796960, 13271580, 14156352, 15167520, 17695440, 21234528, 23593920, 26543160, 30335040, 35390880, 42469056, 53086320, 70781760, 106172640, 212345280]

約数ペア:

[(1, 212345280), (2, 106172640), (3, 70781760), (4, 53086320), (5, 42469056), (6, 35390880), (7, 30335040), (8, 26543160), (9, 23593920), (10, 21234528), (12, 17695440), (14, 15167520), (15, 14156352), (16, 13271580), (18, 11796960), (20, 10617264), (21, 10111680), (24, 8847720), (27, 7864640), (28, 7583760), (30, 7078176), (32, 6635790), (35, 6067008), (36, 5898480), (40, 5308632), (42, 5055840), (45, 4718784), (48, 4423860), (54, 3932320), (56, 3791880), (60, 3539088), (63, 3370560), (64, 3317895), (70, 3033504), (72, 2949240), (80, 2654316), (84, 2527920), (90, 2359392), (96, 2211930), (105, 2022336), (108, 1966160), (112, 1895940), (120, 1769544), (126, 1685280), (135, 1572928), (140, 1516752), (144, 1474620), (160, 1327158), (168, 1263960), (180, 1179696), (189, 1123520), (192, 1105965), (210, 1011168), (216, 983080), (224, 947970), (240, 884772), (252, 842640), (270, 786464), (280, 758376), (288, 737310), (315, 674112), (320, 663579), (336, 631980), (360, 589848), (378, 561760), (420, 505584), (432, 491540), (448, 473985), (480, 442386), (504, 421320), (540, 393232), (560, 379188), (576, 368655), (630, 337056), (672, 315990), (720, 294924), (756, 280880), (840, 252792), (864, 245770), (945, 224704), (960, 221193), (1008, 210660), (1080, 196616), (1120, 189594), (1260, 168528), (1344, 157995), (1440, 147462), (1512, 140440), (1680, 126396), (1728, 122885), (1890, 112352), (2016, 105330), (2160, 98308), (2240, 94797), (2520, 84264), (2880, 73731), (3024, 70220), (3360, 63198), (3511, 60480), (3780, 56176), (4032, 52665), (4320, 49154), (5040, 42132), (6048, 35110), (6720, 31599), (7022, 30240), (7560, 28088), (8640, 24577), (10080, 21066), (10533, 20160), (12096, 17555), (14044, 15120)]