281988720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 240

約数和(自身を含む): 1043183232

約数和(自身を除く): 761194512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 48, 52, 60, 65, 72, 78, 80, 90, 94, 104, 117, 120, 130, 141, 144, 156, 180, 188, 195, 208, 234, 235, 240, 260, 282, 312, 360, 376, 390, 423, 468, 470, 520, 564, 585, 611, 624, 641, 705, 720, 752, 780, 846, 936, 940, 1040, 1128, 1170, 1222, 1282, 1410, 1560, 1692, 1833, 1872, 1880, 1923, 2115, 2256, 2340, 2444, 2564, 2820, 3055, 3120, 3205, 3384, 3666, 3760, 3846, 4230, 4680, 4888, 5128, 5499, 5640, 5769, 6110, 6410, 6768, 7332, 7692, 8333, 8460, 9165, 9360, 9615, 9776, 10256, 10998, 11280, 11538, 12220, 12820, 14664, 15384, 16666, 16920, 18330, 19230, 21996, 23076, 24440, 24999, 25640, 27495, 28845, 29328, 30127, 30768, 33332, 33840, 36660, 38460, 41665, 43992, 46152, 48880, 49998, 51280, 54990, 57690, 60254, 66664, 73320, 74997, 76920, 83330, 87984, 90381, 92304, 99996, 109980, 115380, 120508, 124995, 133328, 146640, 149994, 150635, 153840, 166660, 180762, 199992, 219960, 230760, 241016, 249990, 271143, 299988, 301270, 333320, 361524, 374985, 391651, 399984, 439920, 451905, 461520, 482032, 499980, 542286, 599976, 602540, 666640, 723048, 749970, 783302, 903810, 999960, 1084572, 1174953, 1199952, 1205080, 1355715, 1446096, 1499940, 1566604, 1807620, 1958255, 1999920, 2169144, 2349906, 2410160, 2711430, 2999880, 3133208, 3524859, 3615240, 3916510, 4338288, 4699812, 5422860, 5874765, 5999760, 6266416, 7049718, 7230480, 7833020, 9399624, 10845720, 11749530, 14099436, 15666040, 17624295, 18799248, 21691440, 23499060, 28198872, 31332080, 35248590, 46998120, 56397744, 70497180, 93996240, 140994360, 281988720]

約数ペア:

[(1, 281988720), (2, 140994360), (3, 93996240), (4, 70497180), (5, 56397744), (6, 46998120), (8, 35248590), (9, 31332080), (10, 28198872), (12, 23499060), (13, 21691440), (15, 18799248), (16, 17624295), (18, 15666040), (20, 14099436), (24, 11749530), (26, 10845720), (30, 9399624), (36, 7833020), (39, 7230480), (40, 7049718), (45, 6266416), (47, 5999760), (48, 5874765), (52, 5422860), (60, 4699812), (65, 4338288), (72, 3916510), (78, 3615240), (80, 3524859), (90, 3133208), (94, 2999880), (104, 2711430), (117, 2410160), (120, 2349906), (130, 2169144), (141, 1999920), (144, 1958255), (156, 1807620), (180, 1566604), (188, 1499940), (195, 1446096), (208, 1355715), (234, 1205080), (235, 1199952), (240, 1174953), (260, 1084572), (282, 999960), (312, 903810), (360, 783302), (376, 749970), (390, 723048), (423, 666640), (468, 602540), (470, 599976), (520, 542286), (564, 499980), (585, 482032), (611, 461520), (624, 451905), (641, 439920), (705, 399984), (720, 391651), (752, 374985), (780, 361524), (846, 333320), (936, 301270), (940, 299988), (1040, 271143), (1128, 249990), (1170, 241016), (1222, 230760), (1282, 219960), (1410, 199992), (1560, 180762), (1692, 166660), (1833, 153840), (1872, 150635), (1880, 149994), (1923, 146640), (2115, 133328), (2256, 124995), (2340, 120508), (2444, 115380), (2564, 109980), (2820, 99996), (3055, 92304), (3120, 90381), (3205, 87984), (3384, 83330), (3666, 76920), (3760, 74997), (3846, 73320), (4230, 66664), (4680, 60254), (4888, 57690), (5128, 54990), (5499, 51280), (5640, 49998), (5769, 48880), (6110, 46152), (6410, 43992), (6768, 41665), (7332, 38460), (7692, 36660), (8333, 33840), (8460, 33332), (9165, 30768), (9360, 30127), (9615, 29328), (9776, 28845), (10256, 27495), (10998, 25640), (11280, 24999), (11538, 24440), (12220, 23076), (12820, 21996), (14664, 19230), (15384, 18330), (16666, 16920)]