1238439840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21323}}^1$

素因数の和:21363

約数の個数: 144

約数和(自身を含む): 4288171104

約数和(自身を除く): 3049731264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 480, 484, 528, 605, 660, 726, 880, 968, 1056, 1210, 1320, 1452, 1760, 1815, 1936, 2420, 2640, 2904, 3630, 3872, 4840, 5280, 5808, 7260, 9680, 11616, 14520, 19360, 21323, 29040, 42646, 58080, 63969, 85292, 106615, 127938, 170584, 213230, 234553, 255876, 319845, 341168, 426460, 469106, 511752, 639690, 682336, 703659, 852920, 938212, 1023504, 1172765, 1279380, 1407318, 1705840, 1876424, 2047008, 2345530, 2558760, 2580083, 2814636, 3411680, 3518295, 3752848, 4691060, 5117520, 5160166, 5629272, 7036590, 7505696, 7740249, 9382120, 10235040, 10320332, 11258544, 12900415, 14073180, 15480498, 18764240, 20640664, 22517088, 25800830, 28146360, 30960996, 37528480, 38701245, 41281328, 51601660, 56292720, 61921992, 77402490, 82562656, 103203320, 112585440, 123843984, 154804980, 206406640, 247687968, 309609960, 412813280, 619219920, 1238439840]

約数ペア:

[(1, 1238439840), (2, 619219920), (3, 412813280), (4, 309609960), (5, 247687968), (6, 206406640), (8, 154804980), (10, 123843984), (11, 112585440), (12, 103203320), (15, 82562656), (16, 77402490), (20, 61921992), (22, 56292720), (24, 51601660), (30, 41281328), (32, 38701245), (33, 37528480), (40, 30960996), (44, 28146360), (48, 25800830), (55, 22517088), (60, 20640664), (66, 18764240), (80, 15480498), (88, 14073180), (96, 12900415), (110, 11258544), (120, 10320332), (121, 10235040), (132, 9382120), (160, 7740249), (165, 7505696), (176, 7036590), (220, 5629272), (240, 5160166), (242, 5117520), (264, 4691060), (330, 3752848), (352, 3518295), (363, 3411680), (440, 2814636), (480, 2580083), (484, 2558760), (528, 2345530), (605, 2047008), (660, 1876424), (726, 1705840), (880, 1407318), (968, 1279380), (1056, 1172765), (1210, 1023504), (1320, 938212), (1452, 852920), (1760, 703659), (1815, 682336), (1936, 639690), (2420, 511752), (2640, 469106), (2904, 426460), (3630, 341168), (3872, 319845), (4840, 255876), (5280, 234553), (5808, 213230), (7260, 170584), (9680, 127938), (11616, 106615), (14520, 85292), (19360, 63969), (21323, 58080), (29040, 42646)]