420875280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:878

約数の個数: 240

約数和(自身を含む): 1631859840

約数和(自身を除く): 1210984560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 113, 120, 126, 140, 144, 168, 180, 210, 226, 240, 252, 280, 315, 336, 339, 360, 420, 452, 504, 560, 565, 630, 678, 720, 739, 791, 840, 904, 1008, 1017, 1130, 1260, 1356, 1478, 1582, 1680, 1695, 1808, 2034, 2217, 2260, 2373, 2520, 2712, 2956, 3164, 3390, 3695, 3955, 4068, 4434, 4520, 4746, 5040, 5085, 5173, 5424, 5912, 6328, 6651, 6780, 7119, 7390, 7910, 8136, 8868, 9040, 9492, 10170, 10346, 11085, 11824, 11865, 12656, 13302, 13560, 14238, 14780, 15519, 15820, 16272, 17736, 18984, 20340, 20692, 22170, 23730, 25865, 26604, 27120, 28476, 29560, 31038, 31640, 33255, 35472, 35595, 37968, 40680, 41384, 44340, 46557, 47460, 51730, 53208, 56952, 59120, 62076, 63280, 66510, 71190, 77595, 81360, 82768, 83507, 88680, 93114, 94920, 103460, 106416, 113904, 124152, 133020, 142380, 155190, 167014, 177360, 186228, 189840, 206920, 232785, 248304, 250521, 266040, 284760, 310380, 334028, 372456, 413840, 417535, 465570, 501042, 532080, 569520, 584549, 620760, 668056, 744912, 751563, 835070, 931140, 1002084, 1169098, 1241520, 1252605, 1336112, 1503126, 1670140, 1753647, 1862280, 2004168, 2338196, 2505210, 2922745, 3006252, 3340280, 3507294, 3724560, 3757815, 4008336, 4676392, 5010420, 5260941, 5845490, 6012504, 6680560, 7014588, 7515630, 8768235, 9352784, 10020840, 10521882, 11690980, 12025008, 14029176, 15031260, 17536470, 20041680, 21043764, 23381960, 26304705, 28058352, 30062520, 35072940, 42087528, 46763920, 52609410, 60125040, 70145880, 84175056, 105218820, 140291760, 210437640, 420875280]

約数ペア:

[(1, 420875280), (2, 210437640), (3, 140291760), (4, 105218820), (5, 84175056), (6, 70145880), (7, 60125040), (8, 52609410), (9, 46763920), (10, 42087528), (12, 35072940), (14, 30062520), (15, 28058352), (16, 26304705), (18, 23381960), (20, 21043764), (21, 20041680), (24, 17536470), (28, 15031260), (30, 14029176), (35, 12025008), (36, 11690980), (40, 10521882), (42, 10020840), (45, 9352784), (48, 8768235), (56, 7515630), (60, 7014588), (63, 6680560), (70, 6012504), (72, 5845490), (80, 5260941), (84, 5010420), (90, 4676392), (105, 4008336), (112, 3757815), (113, 3724560), (120, 3507294), (126, 3340280), (140, 3006252), (144, 2922745), (168, 2505210), (180, 2338196), (210, 2004168), (226, 1862280), (240, 1753647), (252, 1670140), (280, 1503126), (315, 1336112), (336, 1252605), (339, 1241520), (360, 1169098), (420, 1002084), (452, 931140), (504, 835070), (560, 751563), (565, 744912), (630, 668056), (678, 620760), (720, 584549), (739, 569520), (791, 532080), (840, 501042), (904, 465570), (1008, 417535), (1017, 413840), (1130, 372456), (1260, 334028), (1356, 310380), (1478, 284760), (1582, 266040), (1680, 250521), (1695, 248304), (1808, 232785), (2034, 206920), (2217, 189840), (2260, 186228), (2373, 177360), (2520, 167014), (2712, 155190), (2956, 142380), (3164, 133020), (3390, 124152), (3695, 113904), (3955, 106416), (4068, 103460), (4434, 94920), (4520, 93114), (4746, 88680), (5040, 83507), (5085, 82768), (5173, 81360), (5424, 77595), (5912, 71190), (6328, 66510), (6651, 63280), (6780, 62076), (7119, 59120), (7390, 56952), (7910, 53208), (8136, 51730), (8868, 47460), (9040, 46557), (9492, 44340), (10170, 41384), (10346, 40680), (11085, 37968), (11824, 35595), (11865, 35472), (12656, 33255), (13302, 31640), (13560, 31038), (14238, 29560), (14780, 28476), (15519, 27120), (15820, 26604), (16272, 25865), (17736, 23730), (18984, 22170), (20340, 20692)]