820711360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 224

約数和(自身を含む): 2359590912

約数和(自身を除く): 1538879552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 53, 56, 62, 64, 70, 80, 106, 112, 124, 140, 155, 160, 212, 217, 223, 224, 248, 265, 280, 310, 320, 371, 424, 434, 446, 448, 496, 530, 560, 620, 742, 848, 868, 892, 992, 1060, 1085, 1115, 1120, 1240, 1484, 1561, 1643, 1696, 1736, 1784, 1855, 1984, 2120, 2170, 2230, 2240, 2480, 2968, 3122, 3286, 3392, 3472, 3568, 3710, 4240, 4340, 4460, 4960, 5936, 6244, 6572, 6913, 6944, 7136, 7420, 7805, 8215, 8480, 8680, 8920, 9920, 11501, 11819, 11872, 12488, 13144, 13826, 13888, 14272, 14840, 15610, 16430, 16960, 17360, 17840, 23002, 23638, 23744, 24976, 26288, 27652, 29680, 31220, 32860, 34565, 34720, 35680, 46004, 47276, 48391, 49952, 52576, 55304, 57505, 59095, 59360, 62440, 65720, 69130, 69440, 71360, 82733, 92008, 94552, 96782, 99904, 105152, 110608, 115010, 118190, 118720, 124880, 131440, 138260, 165466, 184016, 189104, 193564, 221216, 230020, 236380, 241955, 249760, 262880, 276520, 330932, 366389, 368032, 378208, 387128, 413665, 442432, 460040, 472760, 483910, 499520, 525760, 553040, 661864, 732778, 736064, 756416, 774256, 827330, 920080, 945520, 967820, 1106080, 1323728, 1465556, 1548512, 1654660, 1831945, 1840160, 1891040, 1935640, 2212160, 2564723, 2647456, 2931112, 3097024, 3309320, 3663890, 3680320, 3782080, 3871280, 5129446, 5294912, 5862224, 6618640, 7327780, 7742560, 10258892, 11724448, 12823615, 13237280, 14655560, 15485120, 20517784, 23448896, 25647230, 26474560, 29311120, 41035568, 51294460, 58622240, 82071136, 102588920, 117244480, 164142272, 205177840, 410355680, 820711360]

約数ペア:

[(1, 820711360), (2, 410355680), (4, 205177840), (5, 164142272), (7, 117244480), (8, 102588920), (10, 82071136), (14, 58622240), (16, 51294460), (20, 41035568), (28, 29311120), (31, 26474560), (32, 25647230), (35, 23448896), (40, 20517784), (53, 15485120), (56, 14655560), (62, 13237280), (64, 12823615), (70, 11724448), (80, 10258892), (106, 7742560), (112, 7327780), (124, 6618640), (140, 5862224), (155, 5294912), (160, 5129446), (212, 3871280), (217, 3782080), (223, 3680320), (224, 3663890), (248, 3309320), (265, 3097024), (280, 2931112), (310, 2647456), (320, 2564723), (371, 2212160), (424, 1935640), (434, 1891040), (446, 1840160), (448, 1831945), (496, 1654660), (530, 1548512), (560, 1465556), (620, 1323728), (742, 1106080), (848, 967820), (868, 945520), (892, 920080), (992, 827330), (1060, 774256), (1085, 756416), (1115, 736064), (1120, 732778), (1240, 661864), (1484, 553040), (1561, 525760), (1643, 499520), (1696, 483910), (1736, 472760), (1784, 460040), (1855, 442432), (1984, 413665), (2120, 387128), (2170, 378208), (2230, 368032), (2240, 366389), (2480, 330932), (2968, 276520), (3122, 262880), (3286, 249760), (3392, 241955), (3472, 236380), (3568, 230020), (3710, 221216), (4240, 193564), (4340, 189104), (4460, 184016), (4960, 165466), (5936, 138260), (6244, 131440), (6572, 124880), (6913, 118720), (6944, 118190), (7136, 115010), (7420, 110608), (7805, 105152), (8215, 99904), (8480, 96782), (8680, 94552), (8920, 92008), (9920, 82733), (11501, 71360), (11819, 69440), (11872, 69130), (12488, 65720), (13144, 62440), (13826, 59360), (13888, 59095), (14272, 57505), (14840, 55304), (15610, 52576), (16430, 49952), (16960, 48391), (17360, 47276), (17840, 46004), (23002, 35680), (23638, 34720), (23744, 34565), (24976, 32860), (26288, 31220), (27652, 29680)]