21260204640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{769}}^1$

素因数の和:1126

約数の個数: 288

約数和(自身を含む): 73919926080

約数和(自身を除く): 52659721440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 219, 240, 263, 288, 292, 360, 365, 438, 480, 526, 584, 657, 720, 730, 769, 789, 876, 1052, 1095, 1168, 1314, 1315, 1440, 1460, 1538, 1578, 1752, 2104, 2190, 2307, 2336, 2367, 2628, 2630, 2920, 3076, 3156, 3285, 3504, 3845, 3945, 4208, 4380, 4614, 4734, 5256, 5260, 5840, 6152, 6312, 6570, 6921, 7008, 7690, 7890, 8416, 8760, 9228, 9468, 10512, 10520, 11535, 11680, 11835, 12304, 12624, 13140, 13842, 15380, 15780, 17520, 18456, 18936, 19199, 21024, 21040, 23070, 23670, 24608, 25248, 26280, 27684, 30760, 31560, 34605, 35040, 36912, 37872, 38398, 42080, 46140, 47340, 52560, 55368, 56137, 57597, 61520, 63120, 69210, 73824, 75744, 76796, 92280, 94680, 95995, 105120, 110736, 112274, 115194, 123040, 126240, 138420, 153592, 168411, 172791, 184560, 189360, 191990, 202247, 221472, 224548, 230388, 276840, 280685, 287985, 307184, 336822, 345582, 369120, 378720, 383980, 404494, 449096, 460776, 505233, 553680, 561370, 575970, 606741, 614368, 673644, 691164, 767960, 808988, 842055, 863955, 898192, 921552, 1010466, 1011235, 1107360, 1122740, 1151940, 1213482, 1347288, 1382328, 1535920, 1617976, 1684110, 1727910, 1796384, 1820223, 1843104, 2020932, 2022470, 2245480, 2303880, 2426964, 2526165, 2694576, 2764656, 3033705, 3071840, 3235952, 3368220, 3455820, 3640446, 4041864, 4044940, 4490960, 4607760, 4853928, 5052330, 5389152, 5529312, 6067410, 6471904, 6736440, 6911640, 7280892, 8083728, 8089880, 8981920, 9101115, 9215520, 9707856, 10104660, 12134820, 13472880, 13823280, 14561784, 14764031, 16167456, 16179760, 18202230, 19415712, 20209320, 24269640, 26945760, 27646560, 29123568, 29528062, 32359520, 36404460, 40418640, 44292093, 48539280, 58247136, 59056124, 72808920, 73820155, 80837280, 88584186, 97078560, 118112248, 132876279, 145617840, 147640310, 177168372, 221460465, 236224496, 265752558, 291235680, 295280620, 354336744, 442920930, 472448992, 531505116, 590561240, 664381395, 708673488, 885841860, 1063010232, 1181122480, 1328762790, 1417346976, 1771683720, 2126020464, 2362244960, 2657525580, 3543367440, 4252040928, 5315051160, 7086734880, 10630102320, 21260204640]

約数ペア:

[(1, 21260204640), (2, 10630102320), (3, 7086734880), (4, 5315051160), (5, 4252040928), (6, 3543367440), (8, 2657525580), (9, 2362244960), (10, 2126020464), (12, 1771683720), (15, 1417346976), (16, 1328762790), (18, 1181122480), (20, 1063010232), (24, 885841860), (30, 708673488), (32, 664381395), (36, 590561240), (40, 531505116), (45, 472448992), (48, 442920930), (60, 354336744), (72, 295280620), (73, 291235680), (80, 265752558), (90, 236224496), (96, 221460465), (120, 177168372), (144, 147640310), (146, 145617840), (160, 132876279), (180, 118112248), (219, 97078560), (240, 88584186), (263, 80837280), (288, 73820155), (292, 72808920), (360, 59056124), (365, 58247136), (438, 48539280), (480, 44292093), (526, 40418640), (584, 36404460), (657, 32359520), (720, 29528062), (730, 29123568), (769, 27646560), (789, 26945760), (876, 24269640), (1052, 20209320), (1095, 19415712), (1168, 18202230), (1314, 16179760), (1315, 16167456), (1440, 14764031), (1460, 14561784), (1538, 13823280), (1578, 13472880), (1752, 12134820), (2104, 10104660), (2190, 9707856), (2307, 9215520), (2336, 9101115), (2367, 8981920), (2628, 8089880), (2630, 8083728), (2920, 7280892), (3076, 6911640), (3156, 6736440), (3285, 6471904), (3504, 6067410), (3845, 5529312), (3945, 5389152), (4208, 5052330), (4380, 4853928), (4614, 4607760), (4734, 4490960), (5256, 4044940), (5260, 4041864), (5840, 3640446), (6152, 3455820), (6312, 3368220), (6570, 3235952), (6921, 3071840), (7008, 3033705), (7690, 2764656), (7890, 2694576), (8416, 2526165), (8760, 2426964), (9228, 2303880), (9468, 2245480), (10512, 2022470), (10520, 2020932), (11535, 1843104), (11680, 1820223), (11835, 1796384), (12304, 1727910), (12624, 1684110), (13140, 1617976), (13842, 1535920), (15380, 1382328), (15780, 1347288), (17520, 1213482), (18456, 1151940), (18936, 1122740), (19199, 1107360), (21024, 1011235), (21040, 1010466), (23070, 921552), (23670, 898192), (24608, 863955), (25248, 842055), (26280, 808988), (27684, 767960), (30760, 691164), (31560, 673644), (34605, 614368), (35040, 606741), (36912, 575970), (37872, 561370), (38398, 553680), (42080, 505233), (46140, 460776), (47340, 449096), (52560, 404494), (55368, 383980), (56137, 378720), (57597, 369120), (61520, 345582), (63120, 336822), (69210, 307184), (73824, 287985), (75744, 280685), (76796, 276840), (92280, 230388), (94680, 224548), (95995, 221472), (105120, 202247), (110736, 191990), (112274, 189360), (115194, 184560), (123040, 172791), (126240, 168411), (138420, 153592)]