21456223440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{125387}}^1$

素因数の和:125457

約数の個数: 160

約数和(自身を含む): 71645700096

約数和(自身を除く): 50189476656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 496, 552, 620, 690, 713, 744, 920, 930, 1104, 1240, 1380, 1426, 1488, 1840, 1860, 2139, 2480, 2760, 2852, 3565, 3720, 4278, 5520, 5704, 7130, 7440, 8556, 10695, 11408, 14260, 17112, 21390, 28520, 34224, 42780, 57040, 85560, 125387, 171120, 250774, 376161, 501548, 626935, 752322, 1003096, 1253870, 1504644, 1880805, 2006192, 2507740, 2883901, 3009288, 3761610, 3886997, 5015480, 5767802, 6018576, 7523220, 7773994, 8651703, 10030960, 11535604, 11660991, 14419505, 15046440, 15547988, 17303406, 19434985, 23071208, 23321982, 28839010, 30092880, 31095976, 34606812, 38869970, 43258515, 46142416, 46643964, 57678020, 58304955, 62191952, 69213624, 77739940, 86517030, 89400931, 93287928, 115356040, 116609910, 138427248, 155479880, 173034060, 178801862, 186575856, 230712080, 233219820, 268202793, 310959760, 346068120, 357603724, 447004655, 466439640, 536405586, 692136240, 715207448, 894009310, 932879280, 1072811172, 1341013965, 1430414896, 1788018620, 2145622344, 2682027930, 3576037240, 4291244688, 5364055860, 7152074480, 10728111720, 21456223440]

約数ペア:

[(1, 21456223440), (2, 10728111720), (3, 7152074480), (4, 5364055860), (5, 4291244688), (6, 3576037240), (8, 2682027930), (10, 2145622344), (12, 1788018620), (15, 1430414896), (16, 1341013965), (20, 1072811172), (23, 932879280), (24, 894009310), (30, 715207448), (31, 692136240), (40, 536405586), (46, 466439640), (48, 447004655), (60, 357603724), (62, 346068120), (69, 310959760), (80, 268202793), (92, 233219820), (93, 230712080), (115, 186575856), (120, 178801862), (124, 173034060), (138, 155479880), (155, 138427248), (184, 116609910), (186, 115356040), (230, 93287928), (240, 89400931), (248, 86517030), (276, 77739940), (310, 69213624), (345, 62191952), (368, 58304955), (372, 57678020), (460, 46643964), (465, 46142416), (496, 43258515), (552, 38869970), (620, 34606812), (690, 31095976), (713, 30092880), (744, 28839010), (920, 23321982), (930, 23071208), (1104, 19434985), (1240, 17303406), (1380, 15547988), (1426, 15046440), (1488, 14419505), (1840, 11660991), (1860, 11535604), (2139, 10030960), (2480, 8651703), (2760, 7773994), (2852, 7523220), (3565, 6018576), (3720, 5767802), (4278, 5015480), (5520, 3886997), (5704, 3761610), (7130, 3009288), (7440, 2883901), (8556, 2507740), (10695, 2006192), (11408, 1880805), (14260, 1504644), (17112, 1253870), (21390, 1003096), (28520, 752322), (34224, 626935), (42780, 501548), (57040, 376161), (85560, 250774), (125387, 171120)]