248508720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 240

約数和(自身を含む): 898335360

約数和(自身を除く): 649826640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 79, 80, 85, 90, 102, 120, 136, 144, 153, 158, 170, 180, 204, 237, 240, 255, 257, 272, 306, 316, 340, 360, 395, 408, 474, 510, 514, 612, 632, 680, 711, 720, 765, 771, 790, 816, 948, 1020, 1028, 1185, 1224, 1264, 1285, 1343, 1360, 1422, 1530, 1542, 1580, 1896, 2040, 2056, 2313, 2370, 2448, 2570, 2686, 2844, 3060, 3084, 3160, 3555, 3792, 3855, 4029, 4080, 4112, 4369, 4626, 4740, 5140, 5372, 5688, 6120, 6168, 6320, 6715, 7110, 7710, 8058, 8738, 9252, 9480, 10280, 10744, 11376, 11565, 12087, 12240, 12336, 13107, 13430, 14220, 15420, 16116, 17476, 18504, 18960, 20145, 20303, 20560, 21488, 21845, 23130, 24174, 26214, 26860, 28440, 30840, 32232, 34952, 37008, 39321, 40290, 40606, 43690, 46260, 48348, 52428, 53720, 56880, 60435, 60909, 61680, 64464, 65535, 69904, 78642, 80580, 81212, 87380, 92520, 96696, 101515, 104856, 107440, 120870, 121818, 131070, 157284, 161160, 162424, 174760, 182727, 185040, 193392, 196605, 203030, 209712, 241740, 243636, 262140, 304545, 314568, 322320, 324848, 345151, 349520, 365454, 393210, 406060, 483480, 487272, 524280, 609090, 629136, 690302, 730908, 786420, 812120, 913635, 966960, 974544, 1035453, 1048560, 1218180, 1380604, 1461816, 1572840, 1624240, 1725755, 1827270, 2070906, 2436360, 2761208, 2923632, 3106359, 3145680, 3451510, 3654540, 4141812, 4872720, 5177265, 5522416, 6212718, 6903020, 7309080, 8283624, 10354530, 12425436, 13806040, 14618160, 15531795, 16567248, 20709060, 24850872, 27612080, 31063590, 41418120, 49701744, 62127180, 82836240, 124254360, 248508720]

約数ペア:

[(1, 248508720), (2, 124254360), (3, 82836240), (4, 62127180), (5, 49701744), (6, 41418120), (8, 31063590), (9, 27612080), (10, 24850872), (12, 20709060), (15, 16567248), (16, 15531795), (17, 14618160), (18, 13806040), (20, 12425436), (24, 10354530), (30, 8283624), (34, 7309080), (36, 6903020), (40, 6212718), (45, 5522416), (48, 5177265), (51, 4872720), (60, 4141812), (68, 3654540), (72, 3451510), (79, 3145680), (80, 3106359), (85, 2923632), (90, 2761208), (102, 2436360), (120, 2070906), (136, 1827270), (144, 1725755), (153, 1624240), (158, 1572840), (170, 1461816), (180, 1380604), (204, 1218180), (237, 1048560), (240, 1035453), (255, 974544), (257, 966960), (272, 913635), (306, 812120), (316, 786420), (340, 730908), (360, 690302), (395, 629136), (408, 609090), (474, 524280), (510, 487272), (514, 483480), (612, 406060), (632, 393210), (680, 365454), (711, 349520), (720, 345151), (765, 324848), (771, 322320), (790, 314568), (816, 304545), (948, 262140), (1020, 243636), (1028, 241740), (1185, 209712), (1224, 203030), (1264, 196605), (1285, 193392), (1343, 185040), (1360, 182727), (1422, 174760), (1530, 162424), (1542, 161160), (1580, 157284), (1896, 131070), (2040, 121818), (2056, 120870), (2313, 107440), (2370, 104856), (2448, 101515), (2570, 96696), (2686, 92520), (2844, 87380), (3060, 81212), (3084, 80580), (3160, 78642), (3555, 69904), (3792, 65535), (3855, 64464), (4029, 61680), (4080, 60909), (4112, 60435), (4369, 56880), (4626, 53720), (4740, 52428), (5140, 48348), (5372, 46260), (5688, 43690), (6120, 40606), (6168, 40290), (6320, 39321), (6715, 37008), (7110, 34952), (7710, 32232), (8058, 30840), (8738, 28440), (9252, 26860), (9480, 26214), (10280, 24174), (10744, 23130), (11376, 21845), (11565, 21488), (12087, 20560), (12240, 20303), (12336, 20145), (13107, 18960), (13430, 18504), (14220, 17476), (15420, 16116)]