309981840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:686

約数の個数: 240

約数和(自身を含む): 1145694528

約数和(自身を除く): 835712688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 49, 56, 60, 70, 80, 84, 86, 98, 105, 112, 120, 129, 140, 147, 168, 172, 196, 210, 215, 240, 245, 258, 280, 294, 301, 336, 344, 392, 420, 430, 490, 516, 560, 588, 602, 613, 645, 688, 735, 784, 840, 860, 903, 980, 1032, 1176, 1204, 1226, 1290, 1470, 1505, 1680, 1720, 1806, 1839, 1960, 2064, 2107, 2352, 2408, 2452, 2580, 2940, 3010, 3065, 3440, 3612, 3678, 3920, 4214, 4291, 4515, 4816, 4904, 5160, 5880, 6020, 6130, 6321, 7224, 7356, 8428, 8582, 9030, 9195, 9808, 10320, 10535, 11760, 12040, 12260, 12642, 12873, 14448, 14712, 16856, 17164, 18060, 18390, 21070, 21455, 24080, 24520, 25284, 25746, 26359, 29424, 30037, 31605, 33712, 34328, 36120, 36780, 42140, 42910, 49040, 50568, 51492, 52718, 60074, 63210, 64365, 68656, 72240, 73560, 79077, 84280, 85820, 90111, 101136, 102984, 105436, 120148, 126420, 128730, 131795, 147120, 150185, 158154, 168560, 171640, 180222, 184513, 205968, 210872, 240296, 252840, 257460, 263590, 300370, 316308, 343280, 360444, 369026, 395385, 421744, 450555, 480592, 505680, 514920, 527180, 553539, 600740, 632616, 720888, 738052, 790770, 901110, 922565, 1029840, 1054360, 1107078, 1201480, 1265232, 1291591, 1441776, 1476104, 1581540, 1802220, 1845130, 2108720, 2214156, 2402960, 2583182, 2767695, 2952208, 3163080, 3604440, 3690260, 3874773, 4428312, 5166364, 5535390, 6326160, 6457955, 7208880, 7380520, 7749546, 8856624, 10332728, 11070780, 12915910, 14761040, 15499092, 19373865, 20665456, 22141560, 25831820, 30998184, 38747730, 44283120, 51663640, 61996368, 77495460, 103327280, 154990920, 309981840]

約数ペア:

[(1, 309981840), (2, 154990920), (3, 103327280), (4, 77495460), (5, 61996368), (6, 51663640), (7, 44283120), (8, 38747730), (10, 30998184), (12, 25831820), (14, 22141560), (15, 20665456), (16, 19373865), (20, 15499092), (21, 14761040), (24, 12915910), (28, 11070780), (30, 10332728), (35, 8856624), (40, 7749546), (42, 7380520), (43, 7208880), (48, 6457955), (49, 6326160), (56, 5535390), (60, 5166364), (70, 4428312), (80, 3874773), (84, 3690260), (86, 3604440), (98, 3163080), (105, 2952208), (112, 2767695), (120, 2583182), (129, 2402960), (140, 2214156), (147, 2108720), (168, 1845130), (172, 1802220), (196, 1581540), (210, 1476104), (215, 1441776), (240, 1291591), (245, 1265232), (258, 1201480), (280, 1107078), (294, 1054360), (301, 1029840), (336, 922565), (344, 901110), (392, 790770), (420, 738052), (430, 720888), (490, 632616), (516, 600740), (560, 553539), (588, 527180), (602, 514920), (613, 505680), (645, 480592), (688, 450555), (735, 421744), (784, 395385), (840, 369026), (860, 360444), (903, 343280), (980, 316308), (1032, 300370), (1176, 263590), (1204, 257460), (1226, 252840), (1290, 240296), (1470, 210872), (1505, 205968), (1680, 184513), (1720, 180222), (1806, 171640), (1839, 168560), (1960, 158154), (2064, 150185), (2107, 147120), (2352, 131795), (2408, 128730), (2452, 126420), (2580, 120148), (2940, 105436), (3010, 102984), (3065, 101136), (3440, 90111), (3612, 85820), (3678, 84280), (3920, 79077), (4214, 73560), (4291, 72240), (4515, 68656), (4816, 64365), (4904, 63210), (5160, 60074), (5880, 52718), (6020, 51492), (6130, 50568), (6321, 49040), (7224, 42910), (7356, 42140), (8428, 36780), (8582, 36120), (9030, 34328), (9195, 33712), (9808, 31605), (10320, 30037), (10535, 29424), (11760, 26359), (12040, 25746), (12260, 25284), (12642, 24520), (12873, 24080), (14448, 21455), (14712, 21070), (16856, 18390), (17164, 18060)]