55280880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 200

約数和(自身を含む): 202554000

約数和(自身を除く): 147273120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 270, 285, 304, 324, 342, 360, 380, 405, 432, 449, 456, 513, 540, 570, 648, 684, 720, 760, 810, 855, 898, 912, 1026, 1080, 1140, 1296, 1347, 1368, 1520, 1539, 1620, 1710, 1796, 2052, 2160, 2245, 2280, 2565, 2694, 2736, 3078, 3240, 3420, 3592, 4041, 4104, 4490, 4560, 5130, 5388, 6156, 6480, 6735, 6840, 7184, 7695, 8082, 8208, 8531, 8980, 10260, 10776, 12123, 12312, 13470, 13680, 15390, 16164, 17062, 17960, 20205, 20520, 21552, 24246, 24624, 25593, 26940, 30780, 32328, 34124, 35920, 36369, 40410, 41040, 42655, 48492, 51186, 53880, 60615, 61560, 64656, 68248, 72738, 76779, 80820, 85310, 96984, 102372, 107760, 121230, 123120, 127965, 136496, 145476, 153558, 161640, 170620, 181845, 193968, 204744, 230337, 242460, 255930, 290952, 307116, 323280, 341240, 363690, 383895, 409488, 460674, 484920, 511860, 581904, 614232, 682480, 691011, 727380, 767790, 921348, 969840, 1023720, 1151685, 1228464, 1382022, 1454760, 1535580, 1842696, 2047440, 2303370, 2764044, 2909520, 3071160, 3455055, 3685392, 4606740, 5528088, 6142320, 6910110, 9213480, 11056176, 13820220, 18426960, 27640440, 55280880]

約数ペア:

[(1, 55280880), (2, 27640440), (3, 18426960), (4, 13820220), (5, 11056176), (6, 9213480), (8, 6910110), (9, 6142320), (10, 5528088), (12, 4606740), (15, 3685392), (16, 3455055), (18, 3071160), (19, 2909520), (20, 2764044), (24, 2303370), (27, 2047440), (30, 1842696), (36, 1535580), (38, 1454760), (40, 1382022), (45, 1228464), (48, 1151685), (54, 1023720), (57, 969840), (60, 921348), (72, 767790), (76, 727380), (80, 691011), (81, 682480), (90, 614232), (95, 581904), (108, 511860), (114, 484920), (120, 460674), (135, 409488), (144, 383895), (152, 363690), (162, 341240), (171, 323280), (180, 307116), (190, 290952), (216, 255930), (228, 242460), (240, 230337), (270, 204744), (285, 193968), (304, 181845), (324, 170620), (342, 161640), (360, 153558), (380, 145476), (405, 136496), (432, 127965), (449, 123120), (456, 121230), (513, 107760), (540, 102372), (570, 96984), (648, 85310), (684, 80820), (720, 76779), (760, 72738), (810, 68248), (855, 64656), (898, 61560), (912, 60615), (1026, 53880), (1080, 51186), (1140, 48492), (1296, 42655), (1347, 41040), (1368, 40410), (1520, 36369), (1539, 35920), (1620, 34124), (1710, 32328), (1796, 30780), (2052, 26940), (2160, 25593), (2245, 24624), (2280, 24246), (2565, 21552), (2694, 20520), (2736, 20205), (3078, 17960), (3240, 17062), (3420, 16164), (3592, 15390), (4041, 13680), (4104, 13470), (4490, 12312), (4560, 12123), (5130, 10776), (5388, 10260), (6156, 8980), (6480, 8531), (6735, 8208), (6840, 8082), (7184, 7695)]