420901920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:765

約数の個数: 240

約数和(自身を含む): 1519233408

約数和(自身を除く): 1098331488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 96, 108, 120, 135, 141, 144, 160, 162, 180, 188, 216, 235, 240, 270, 282, 288, 324, 360, 376, 405, 423, 432, 470, 480, 540, 564, 648, 691, 705, 720, 752, 810, 846, 864, 940, 1080, 1128, 1269, 1296, 1382, 1410, 1440, 1504, 1620, 1692, 1880, 2073, 2115, 2160, 2256, 2538, 2592, 2764, 2820, 3240, 3384, 3455, 3760, 3807, 4146, 4230, 4320, 4512, 5076, 5528, 5640, 6219, 6345, 6480, 6768, 6910, 7520, 7614, 8292, 8460, 10152, 10365, 11056, 11280, 12438, 12690, 12960, 13536, 13820, 15228, 16584, 16920, 18657, 19035, 20304, 20730, 22112, 22560, 24876, 25380, 27640, 30456, 31095, 32477, 33168, 33840, 37314, 38070, 40608, 41460, 49752, 50760, 55280, 55971, 60912, 62190, 64954, 66336, 67680, 74628, 76140, 82920, 93285, 97431, 99504, 101520, 110560, 111942, 121824, 124380, 129908, 149256, 152280, 162385, 165840, 186570, 194862, 199008, 203040, 223884, 248760, 259816, 279855, 292293, 298512, 304560, 324770, 331680, 373140, 389724, 447768, 487155, 497520, 519632, 559710, 584586, 597024, 609120, 649540, 746280, 779448, 876879, 895536, 974310, 995040, 1039264, 1119420, 1169172, 1299080, 1461465, 1492560, 1558896, 1753758, 1791072, 1948620, 2238840, 2338344, 2598160, 2630637, 2922930, 2985120, 3117792, 3507516, 3897240, 4384395, 4477680, 4676688, 5196320, 5261274, 5845860, 7015032, 7794480, 8768790, 8955360, 9353376, 10522548, 11691720, 13153185, 14030064, 15588960, 17537580, 21045096, 23383440, 26306370, 28060128, 35075160, 42090192, 46766880, 52612740, 70150320, 84180384, 105225480, 140300640, 210450960, 420901920]

約数ペア:

[(1, 420901920), (2, 210450960), (3, 140300640), (4, 105225480), (5, 84180384), (6, 70150320), (8, 52612740), (9, 46766880), (10, 42090192), (12, 35075160), (15, 28060128), (16, 26306370), (18, 23383440), (20, 21045096), (24, 17537580), (27, 15588960), (30, 14030064), (32, 13153185), (36, 11691720), (40, 10522548), (45, 9353376), (47, 8955360), (48, 8768790), (54, 7794480), (60, 7015032), (72, 5845860), (80, 5261274), (81, 5196320), (90, 4676688), (94, 4477680), (96, 4384395), (108, 3897240), (120, 3507516), (135, 3117792), (141, 2985120), (144, 2922930), (160, 2630637), (162, 2598160), (180, 2338344), (188, 2238840), (216, 1948620), (235, 1791072), (240, 1753758), (270, 1558896), (282, 1492560), (288, 1461465), (324, 1299080), (360, 1169172), (376, 1119420), (405, 1039264), (423, 995040), (432, 974310), (470, 895536), (480, 876879), (540, 779448), (564, 746280), (648, 649540), (691, 609120), (705, 597024), (720, 584586), (752, 559710), (810, 519632), (846, 497520), (864, 487155), (940, 447768), (1080, 389724), (1128, 373140), (1269, 331680), (1296, 324770), (1382, 304560), (1410, 298512), (1440, 292293), (1504, 279855), (1620, 259816), (1692, 248760), (1880, 223884), (2073, 203040), (2115, 199008), (2160, 194862), (2256, 186570), (2538, 165840), (2592, 162385), (2764, 152280), (2820, 149256), (3240, 129908), (3384, 124380), (3455, 121824), (3760, 111942), (3807, 110560), (4146, 101520), (4230, 99504), (4320, 97431), (4512, 93285), (5076, 82920), (5528, 76140), (5640, 74628), (6219, 67680), (6345, 66336), (6480, 64954), (6768, 62190), (6910, 60912), (7520, 55971), (7614, 55280), (8292, 50760), (8460, 49752), (10152, 41460), (10365, 40608), (11056, 38070), (11280, 37314), (12438, 33840), (12690, 33168), (12960, 32477), (13536, 31095), (13820, 30456), (15228, 27640), (16584, 25380), (16920, 24876), (18657, 22560), (19035, 22112), (20304, 20730)]