79897440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 303367680

約数和(自身を除く): 223470240

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, 43, 48, 49, 56, 60, 70, 79, 80, 84, 86, 96, 98, 105, 112, 120, 129, 140, 147, 158, 160, 168, 172, 196, 210, 215, 224, 237, 240, 245, 258, 280, 294, 301, 316, 336, 344, 392, 395, 420, 430, 474, 480, 490, 516, 553, 560, 588, 602, 632, 645, 672, 688, 735, 784, 790, 840, 860, 903, 948, 980, 1032, 1106, 1120, 1176, 1185, 1204, 1264, 1290, 1376, 1470, 1505, 1568, 1580, 1659, 1680, 1720, 1806, 1896, 1960, 2064, 2107, 2212, 2352, 2370, 2408, 2528, 2580, 2765, 2940, 3010, 3160, 3318, 3360, 3397, 3440, 3612, 3792, 3871, 3920, 4128, 4214, 4424, 4515, 4704, 4740, 4816, 5160, 5530, 5880, 6020, 6320, 6321, 6636, 6794, 6880, 7224, 7584, 7742, 7840, 8295, 8428, 8848, 9030, 9480, 9632, 10191, 10320, 10535, 11060, 11613, 11760, 12040, 12640, 12642, 13272, 13588, 14448, 15484, 16590, 16856, 16985, 17696, 18060, 18960, 19355, 20382, 20640, 21070, 22120, 23226, 23520, 23779, 24080, 25284, 26544, 27176, 28896, 30968, 31605, 33180, 33712, 33970, 36120, 37920, 38710, 40764, 42140, 44240, 46452, 47558, 48160, 50568, 50955, 53088, 54352, 58065, 61936, 63210, 66360, 67424, 67940, 71337, 72240, 77420, 81528, 84280, 88480, 92904, 95116, 101136, 101910, 108704, 116130, 118895, 123872, 126420, 132720, 135880, 142674, 144480, 154840, 163056, 166453, 168560, 185808, 190232, 202272, 203820, 232260, 237790, 252840, 265440, 271760, 285348, 309680, 326112, 332906, 337120, 356685, 371616, 380464, 407640, 464520, 475580, 499359, 505680, 543520, 570696, 619360, 665812, 713370, 760928, 815280, 832265, 929040, 951160, 998718, 1011360, 1141392, 1331624, 1426740, 1630560, 1664530, 1858080, 1902320, 1997436, 2282784, 2496795, 2663248, 2853480, 3329060, 3804640, 3994872, 4993590, 5326496, 5706960, 6658120, 7989744, 9987180, 11413920, 13316240, 15979488, 19974360, 26632480, 39948720, 79897440]

約数ペア:

[(1, 79897440), (2, 39948720), (3, 26632480), (4, 19974360), (5, 15979488), (6, 13316240), (7, 11413920), (8, 9987180), (10, 7989744), (12, 6658120), (14, 5706960), (15, 5326496), (16, 4993590), (20, 3994872), (21, 3804640), (24, 3329060), (28, 2853480), (30, 2663248), (32, 2496795), (35, 2282784), (40, 1997436), (42, 1902320), (43, 1858080), (48, 1664530), (49, 1630560), (56, 1426740), (60, 1331624), (70, 1141392), (79, 1011360), (80, 998718), (84, 951160), (86, 929040), (96, 832265), (98, 815280), (105, 760928), (112, 713370), (120, 665812), (129, 619360), (140, 570696), (147, 543520), (158, 505680), (160, 499359), (168, 475580), (172, 464520), (196, 407640), (210, 380464), (215, 371616), (224, 356685), (237, 337120), (240, 332906), (245, 326112), (258, 309680), (280, 285348), (294, 271760), (301, 265440), (316, 252840), (336, 237790), (344, 232260), (392, 203820), (395, 202272), (420, 190232), (430, 185808), (474, 168560), (480, 166453), (490, 163056), (516, 154840), (553, 144480), (560, 142674), (588, 135880), (602, 132720), (632, 126420), (645, 123872), (672, 118895), (688, 116130), (735, 108704), (784, 101910), (790, 101136), (840, 95116), (860, 92904), (903, 88480), (948, 84280), (980, 81528), (1032, 77420), (1106, 72240), (1120, 71337), (1176, 67940), (1185, 67424), (1204, 66360), (1264, 63210), (1290, 61936), (1376, 58065), (1470, 54352), (1505, 53088), (1568, 50955), (1580, 50568), (1659, 48160), (1680, 47558), (1720, 46452), (1806, 44240), (1896, 42140), (1960, 40764), (2064, 38710), (2107, 37920), (2212, 36120), (2352, 33970), (2370, 33712), (2408, 33180), (2528, 31605), (2580, 30968), (2765, 28896), (2940, 27176), (3010, 26544), (3160, 25284), (3318, 24080), (3360, 23779), (3397, 23520), (3440, 23226), (3612, 22120), (3792, 21070), (3871, 20640), (3920, 20382), (4128, 19355), (4214, 18960), (4424, 18060), (4515, 17696), (4704, 16985), (4740, 16856), (4816, 16590), (5160, 15484), (5530, 14448), (5880, 13588), (6020, 13272), (6320, 12642), (6321, 12640), (6636, 12040), (6794, 11760), (6880, 11613), (7224, 11060), (7584, 10535), (7742, 10320), (7840, 10191), (8295, 9632), (8428, 9480), (8848, 9030)]