13820220

素因数分解:

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

素因数の和:489

約数の個数: 120

約数和(自身を含む): 45738000

約数和(自身を除く): 31917780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 449, 513, 540, 570, 684, 810, 855, 898, 1026, 1140, 1347, 1539, 1620, 1710, 1796, 2052, 2245, 2565, 2694, 3078, 3420, 4041, 4490, 5130, 5388, 6156, 6735, 7695, 8082, 8531, 8980, 10260, 12123, 13470, 15390, 16164, 17062, 20205, 24246, 25593, 26940, 30780, 34124, 36369, 40410, 42655, 48492, 51186, 60615, 72738, 76779, 80820, 85310, 102372, 121230, 127965, 145476, 153558, 170620, 181845, 230337, 242460, 255930, 307116, 363690, 383895, 460674, 511860, 691011, 727380, 767790, 921348, 1151685, 1382022, 1535580, 2303370, 2764044, 3455055, 4606740, 6910110, 13820220]

約数ペア:

[(1, 13820220), (2, 6910110), (3, 4606740), (4, 3455055), (5, 2764044), (6, 2303370), (9, 1535580), (10, 1382022), (12, 1151685), (15, 921348), (18, 767790), (19, 727380), (20, 691011), (27, 511860), (30, 460674), (36, 383895), (38, 363690), (45, 307116), (54, 255930), (57, 242460), (60, 230337), (76, 181845), (81, 170620), (90, 153558), (95, 145476), (108, 127965), (114, 121230), (135, 102372), (162, 85310), (171, 80820), (180, 76779), (190, 72738), (228, 60615), (270, 51186), (285, 48492), (324, 42655), (342, 40410), (380, 36369), (405, 34124), (449, 30780), (513, 26940), (540, 25593), (570, 24246), (684, 20205), (810, 17062), (855, 16164), (898, 15390), (1026, 13470), (1140, 12123), (1347, 10260), (1539, 8980), (1620, 8531), (1710, 8082), (1796, 7695), (2052, 6735), (2245, 6156), (2565, 5388), (2694, 5130), (3078, 4490), (3420, 4041)]