278428080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 1022434560

約数和(自身を除く): 744006480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 59, 60, 70, 80, 84, 105, 106, 112, 118, 120, 140, 159, 168, 177, 210, 212, 236, 240, 265, 280, 295, 318, 336, 354, 371, 413, 420, 424, 472, 530, 560, 590, 636, 708, 742, 795, 826, 840, 848, 885, 944, 1060, 1113, 1180, 1239, 1272, 1416, 1484, 1590, 1652, 1680, 1770, 1855, 2065, 2120, 2226, 2360, 2478, 2544, 2809, 2832, 2968, 3127, 3180, 3304, 3540, 3710, 4130, 4240, 4452, 4720, 4956, 5565, 5618, 5936, 6195, 6254, 6360, 6608, 7080, 7420, 8260, 8427, 8904, 9381, 9912, 11130, 11236, 12390, 12508, 12720, 14045, 14160, 14840, 15635, 16520, 16854, 17808, 18762, 19663, 19824, 21889, 22260, 22472, 24780, 25016, 28090, 29680, 31270, 33040, 33708, 37524, 39326, 42135, 43778, 44520, 44944, 46905, 49560, 50032, 56180, 58989, 62540, 65667, 67416, 75048, 78652, 84270, 87556, 89040, 93810, 98315, 99120, 109445, 112360, 117978, 125080, 131334, 134832, 150096, 157304, 165731, 168540, 175112, 187620, 196630, 218890, 224720, 235956, 250160, 262668, 294945, 314608, 328335, 331462, 337080, 350224, 375240, 393260, 437780, 471912, 497193, 525336, 589890, 656670, 662924, 674160, 750480, 786520, 828655, 875560, 943824, 994386, 1050672, 1160117, 1179780, 1313340, 1325848, 1573040, 1657310, 1751120, 1988772, 2320234, 2359560, 2485965, 2626680, 2651696, 3314620, 3480351, 3977544, 4640468, 4719120, 4971930, 5253360, 5800585, 6629240, 6960702, 7955088, 9280936, 9943860, 11601170, 13258480, 13921404, 17401755, 18561872, 19887720, 23202340, 27842808, 34803510, 39775440, 46404680, 55685616, 69607020, 92809360, 139214040, 278428080]

約数ペア:

[(1, 278428080), (2, 139214040), (3, 92809360), (4, 69607020), (5, 55685616), (6, 46404680), (7, 39775440), (8, 34803510), (10, 27842808), (12, 23202340), (14, 19887720), (15, 18561872), (16, 17401755), (20, 13921404), (21, 13258480), (24, 11601170), (28, 9943860), (30, 9280936), (35, 7955088), (40, 6960702), (42, 6629240), (48, 5800585), (53, 5253360), (56, 4971930), (59, 4719120), (60, 4640468), (70, 3977544), (80, 3480351), (84, 3314620), (105, 2651696), (106, 2626680), (112, 2485965), (118, 2359560), (120, 2320234), (140, 1988772), (159, 1751120), (168, 1657310), (177, 1573040), (210, 1325848), (212, 1313340), (236, 1179780), (240, 1160117), (265, 1050672), (280, 994386), (295, 943824), (318, 875560), (336, 828655), (354, 786520), (371, 750480), (413, 674160), (420, 662924), (424, 656670), (472, 589890), (530, 525336), (560, 497193), (590, 471912), (636, 437780), (708, 393260), (742, 375240), (795, 350224), (826, 337080), (840, 331462), (848, 328335), (885, 314608), (944, 294945), (1060, 262668), (1113, 250160), (1180, 235956), (1239, 224720), (1272, 218890), (1416, 196630), (1484, 187620), (1590, 175112), (1652, 168540), (1680, 165731), (1770, 157304), (1855, 150096), (2065, 134832), (2120, 131334), (2226, 125080), (2360, 117978), (2478, 112360), (2544, 109445), (2809, 99120), (2832, 98315), (2968, 93810), (3127, 89040), (3180, 87556), (3304, 84270), (3540, 78652), (3710, 75048), (4130, 67416), (4240, 65667), (4452, 62540), (4720, 58989), (4956, 56180), (5565, 50032), (5618, 49560), (5936, 46905), (6195, 44944), (6254, 44520), (6360, 43778), (6608, 42135), (7080, 39326), (7420, 37524), (8260, 33708), (8427, 33040), (8904, 31270), (9381, 29680), (9912, 28090), (11130, 25016), (11236, 24780), (12390, 22472), (12508, 22260), (12720, 21889), (14045, 19824), (14160, 19663), (14840, 18762), (15635, 17808), (16520, 16854)]