245383320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1034

約数の個数: 256

約数和(自身を含む): 946391040

約数和(自身を除く): 701007720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 977, 1092, 1196, 1288, 1365, 1380, 1495, 1560, 1610, 1794, 1820, 1932, 1954, 2093, 2184, 2392, 2415, 2730, 2760, 2931, 2990, 3220, 3588, 3640, 3864, 3908, 4186, 4485, 4830, 4885, 5460, 5862, 5980, 6279, 6440, 6839, 7176, 7816, 8372, 8970, 9660, 9770, 10465, 10920, 11724, 11960, 12558, 12701, 13678, 14655, 16744, 17940, 19320, 19540, 20517, 20930, 22471, 23448, 25116, 25402, 27356, 29310, 31395, 34195, 35880, 38103, 39080, 41034, 41860, 44942, 50232, 50804, 54712, 58620, 62790, 63505, 67413, 68390, 76206, 82068, 83720, 88907, 89884, 101608, 102585, 112355, 117240, 125580, 127010, 134826, 136780, 152412, 157297, 164136, 177814, 179768, 190515, 205170, 224710, 251160, 254020, 266721, 269652, 273560, 292123, 304824, 314594, 337065, 355628, 381030, 410340, 444535, 449420, 471891, 508040, 533442, 539304, 584246, 629188, 674130, 711256, 762060, 786485, 820680, 876369, 889070, 898840, 943782, 1066884, 1168492, 1258376, 1333605, 1348260, 1460615, 1524120, 1572970, 1752738, 1778140, 1887564, 2044861, 2133768, 2336984, 2359455, 2667210, 2696520, 2921230, 3145940, 3505476, 3556280, 3775128, 4089722, 4381845, 4718910, 5334420, 5842460, 6134583, 6291880, 7010952, 8179444, 8763690, 9437820, 10224305, 10668840, 11684920, 12269166, 16358888, 17527380, 18875640, 20448610, 24538332, 30672915, 35054760, 40897220, 49076664, 61345830, 81794440, 122691660, 245383320]

約数ペア:

[(1, 245383320), (2, 122691660), (3, 81794440), (4, 61345830), (5, 49076664), (6, 40897220), (7, 35054760), (8, 30672915), (10, 24538332), (12, 20448610), (13, 18875640), (14, 17527380), (15, 16358888), (20, 12269166), (21, 11684920), (23, 10668840), (24, 10224305), (26, 9437820), (28, 8763690), (30, 8179444), (35, 7010952), (39, 6291880), (40, 6134583), (42, 5842460), (46, 5334420), (52, 4718910), (56, 4381845), (60, 4089722), (65, 3775128), (69, 3556280), (70, 3505476), (78, 3145940), (84, 2921230), (91, 2696520), (92, 2667210), (104, 2359455), (105, 2336984), (115, 2133768), (120, 2044861), (130, 1887564), (138, 1778140), (140, 1752738), (156, 1572970), (161, 1524120), (168, 1460615), (182, 1348260), (184, 1333605), (195, 1258376), (210, 1168492), (230, 1066884), (260, 943782), (273, 898840), (276, 889070), (280, 876369), (299, 820680), (312, 786485), (322, 762060), (345, 711256), (364, 674130), (390, 629188), (420, 584246), (455, 539304), (460, 533442), (483, 508040), (520, 471891), (546, 449420), (552, 444535), (598, 410340), (644, 381030), (690, 355628), (728, 337065), (780, 314594), (805, 304824), (840, 292123), (897, 273560), (910, 269652), (920, 266721), (966, 254020), (977, 251160), (1092, 224710), (1196, 205170), (1288, 190515), (1365, 179768), (1380, 177814), (1495, 164136), (1560, 157297), (1610, 152412), (1794, 136780), (1820, 134826), (1932, 127010), (1954, 125580), (2093, 117240), (2184, 112355), (2392, 102585), (2415, 101608), (2730, 89884), (2760, 88907), (2931, 83720), (2990, 82068), (3220, 76206), (3588, 68390), (3640, 67413), (3864, 63505), (3908, 62790), (4186, 58620), (4485, 54712), (4830, 50804), (4885, 50232), (5460, 44942), (5862, 41860), (5980, 41034), (6279, 39080), (6440, 38103), (6839, 35880), (7176, 34195), (7816, 31395), (8372, 29310), (8970, 27356), (9660, 25402), (9770, 25116), (10465, 23448), (10920, 22471), (11724, 20930), (11960, 20517), (12558, 19540), (12701, 19320), (13678, 17940), (14655, 16744)]