1328280240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:840

約数の個数: 240

約数和(自身を含む): 4824334080

約数和(自身を除く): 3496053840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 179, 196, 210, 240, 245, 280, 294, 336, 358, 392, 420, 490, 537, 560, 588, 631, 716, 735, 784, 840, 895, 980, 1074, 1176, 1253, 1262, 1432, 1470, 1680, 1790, 1893, 1960, 2148, 2352, 2506, 2524, 2685, 2864, 2940, 3155, 3580, 3759, 3786, 3920, 4296, 4417, 5012, 5048, 5370, 5880, 6265, 6310, 7160, 7518, 7572, 8592, 8771, 8834, 9465, 10024, 10096, 10740, 11760, 12530, 12620, 13251, 14320, 15036, 15144, 17542, 17668, 18795, 18930, 20048, 21480, 22085, 25060, 25240, 26313, 26502, 30072, 30288, 30919, 35084, 35336, 37590, 37860, 42960, 43855, 44170, 50120, 50480, 52626, 53004, 60144, 61838, 66255, 70168, 70672, 75180, 75720, 87710, 88340, 92757, 100240, 105252, 106008, 112949, 123676, 131565, 132510, 140336, 150360, 151440, 154595, 175420, 176680, 185514, 210504, 212016, 225898, 247352, 263130, 265020, 300720, 309190, 338847, 350840, 353360, 371028, 421008, 451796, 463785, 494704, 526260, 530040, 564745, 618380, 677694, 701680, 742056, 790643, 903592, 927570, 1052520, 1060080, 1129490, 1236760, 1355388, 1484112, 1581286, 1694235, 1807184, 1855140, 2105040, 2258980, 2371929, 2473520, 2710776, 3162572, 3388470, 3710280, 3953215, 4517960, 4743858, 5421552, 5534501, 6325144, 6776940, 7420560, 7906430, 9035920, 9487716, 11069002, 11859645, 12650288, 13553880, 15812860, 16603503, 18975432, 22138004, 23719290, 27107760, 27672505, 31625720, 33207006, 37950864, 44276008, 47438580, 55345010, 63251440, 66414012, 83017515, 88552016, 94877160, 110690020, 132828024, 166035030, 189754320, 221380040, 265656048, 332070060, 442760080, 664140120, 1328280240]

約数ペア:

[(1, 1328280240), (2, 664140120), (3, 442760080), (4, 332070060), (5, 265656048), (6, 221380040), (7, 189754320), (8, 166035030), (10, 132828024), (12, 110690020), (14, 94877160), (15, 88552016), (16, 83017515), (20, 66414012), (21, 63251440), (24, 55345010), (28, 47438580), (30, 44276008), (35, 37950864), (40, 33207006), (42, 31625720), (48, 27672505), (49, 27107760), (56, 23719290), (60, 22138004), (70, 18975432), (80, 16603503), (84, 15812860), (98, 13553880), (105, 12650288), (112, 11859645), (120, 11069002), (140, 9487716), (147, 9035920), (168, 7906430), (179, 7420560), (196, 6776940), (210, 6325144), (240, 5534501), (245, 5421552), (280, 4743858), (294, 4517960), (336, 3953215), (358, 3710280), (392, 3388470), (420, 3162572), (490, 2710776), (537, 2473520), (560, 2371929), (588, 2258980), (631, 2105040), (716, 1855140), (735, 1807184), (784, 1694235), (840, 1581286), (895, 1484112), (980, 1355388), (1074, 1236760), (1176, 1129490), (1253, 1060080), (1262, 1052520), (1432, 927570), (1470, 903592), (1680, 790643), (1790, 742056), (1893, 701680), (1960, 677694), (2148, 618380), (2352, 564745), (2506, 530040), (2524, 526260), (2685, 494704), (2864, 463785), (2940, 451796), (3155, 421008), (3580, 371028), (3759, 353360), (3786, 350840), (3920, 338847), (4296, 309190), (4417, 300720), (5012, 265020), (5048, 263130), (5370, 247352), (5880, 225898), (6265, 212016), (6310, 210504), (7160, 185514), (7518, 176680), (7572, 175420), (8592, 154595), (8771, 151440), (8834, 150360), (9465, 140336), (10024, 132510), (10096, 131565), (10740, 123676), (11760, 112949), (12530, 106008), (12620, 105252), (13251, 100240), (14320, 92757), (15036, 88340), (15144, 87710), (17542, 75720), (17668, 75180), (18795, 70672), (18930, 70168), (20048, 66255), (21480, 61838), (22085, 60144), (25060, 53004), (25240, 52626), (26313, 50480), (26502, 50120), (30072, 44170), (30288, 43855), (30919, 42960), (35084, 37860), (35336, 37590)]