12651720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 28820280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 179, 186, 190, 228, 248, 285, 310, 358, 372, 380, 456, 465, 537, 570, 589, 620, 716, 744, 760, 895, 930, 1074, 1140, 1178, 1240, 1432, 1767, 1790, 1860, 2148, 2280, 2356, 2685, 2945, 3401, 3534, 3580, 3720, 4296, 4712, 5370, 5549, 5890, 6802, 7068, 7160, 8835, 10203, 10740, 11098, 11780, 13604, 14136, 16647, 17005, 17670, 20406, 21480, 22196, 23560, 27208, 27745, 33294, 34010, 35340, 40812, 44392, 51015, 55490, 66588, 68020, 70680, 81624, 83235, 102030, 105431, 110980, 133176, 136040, 166470, 204060, 210862, 221960, 316293, 332940, 408120, 421724, 527155, 632586, 665880, 843448, 1054310, 1265172, 1581465, 2108620, 2530344, 3162930, 4217240, 6325860, 12651720]

約数ペア:

[(1, 12651720), (2, 6325860), (3, 4217240), (4, 3162930), (5, 2530344), (6, 2108620), (8, 1581465), (10, 1265172), (12, 1054310), (15, 843448), (19, 665880), (20, 632586), (24, 527155), (30, 421724), (31, 408120), (38, 332940), (40, 316293), (57, 221960), (60, 210862), (62, 204060), (76, 166470), (93, 136040), (95, 133176), (114, 110980), (120, 105431), (124, 102030), (152, 83235), (155, 81624), (179, 70680), (186, 68020), (190, 66588), (228, 55490), (248, 51015), (285, 44392), (310, 40812), (358, 35340), (372, 34010), (380, 33294), (456, 27745), (465, 27208), (537, 23560), (570, 22196), (589, 21480), (620, 20406), (716, 17670), (744, 17005), (760, 16647), (895, 14136), (930, 13604), (1074, 11780), (1140, 11098), (1178, 10740), (1240, 10203), (1432, 8835), (1767, 7160), (1790, 7068), (1860, 6802), (2148, 5890), (2280, 5549), (2356, 5370), (2685, 4712), (2945, 4296), (3401, 3720), (3534, 3580)]