27640440

素因数分解:

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

素因数の和:491

約数の個数: 160

約数和(自身を含む): 98010000

約数和(自身を除く): 70369560

約数列:

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

約数ペア:

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