400043280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1409}}^1$

素因数の和:1458

約数の個数: 240

約数和(自身を含む): 1535794560

約数和(自身を除く): 1135751280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 338, 364, 390, 420, 455, 507, 520, 546, 560, 624, 676, 728, 780, 840, 845, 910, 1014, 1040, 1092, 1183, 1352, 1365, 1409, 1456, 1560, 1680, 1690, 1820, 2028, 2184, 2366, 2535, 2704, 2730, 2818, 3120, 3380, 3549, 3640, 4056, 4227, 4368, 4732, 5070, 5460, 5636, 5915, 6760, 7045, 7098, 7280, 8112, 8454, 9464, 9863, 10140, 10920, 11272, 11830, 13520, 14090, 14196, 16908, 17745, 18317, 18928, 19726, 20280, 21135, 21840, 22544, 23660, 28180, 28392, 29589, 33816, 35490, 36634, 39452, 40560, 42270, 47320, 49315, 54951, 56360, 56784, 59178, 67632, 70980, 73268, 78904, 84540, 91585, 94640, 98630, 109902, 112720, 118356, 128219, 141960, 146536, 147945, 157808, 169080, 183170, 197260, 219804, 236712, 238121, 256438, 274755, 283920, 293072, 295890, 338160, 366340, 384657, 394520, 439608, 473424, 476242, 512876, 549510, 591780, 641095, 714363, 732680, 769314, 789040, 879216, 952484, 1025752, 1099020, 1183560, 1190605, 1282190, 1428726, 1465360, 1538628, 1666847, 1904968, 1923285, 2051504, 2198040, 2367120, 2381210, 2564380, 2857452, 3077256, 3333694, 3571815, 3809936, 3846570, 4396080, 4762420, 5000541, 5128760, 5714904, 6154512, 6667388, 7143630, 7693140, 8334235, 9524840, 10001082, 10257520, 11429808, 13334776, 14287260, 15386280, 16668470, 19049680, 20002164, 25002705, 26669552, 28574520, 30772560, 33336940, 40004328, 50005410, 57149040, 66673880, 80008656, 100010820, 133347760, 200021640, 400043280]

約数ペア:

[(1, 400043280), (2, 200021640), (3, 133347760), (4, 100010820), (5, 80008656), (6, 66673880), (7, 57149040), (8, 50005410), (10, 40004328), (12, 33336940), (13, 30772560), (14, 28574520), (15, 26669552), (16, 25002705), (20, 20002164), (21, 19049680), (24, 16668470), (26, 15386280), (28, 14287260), (30, 13334776), (35, 11429808), (39, 10257520), (40, 10001082), (42, 9524840), (48, 8334235), (52, 7693140), (56, 7143630), (60, 6667388), (65, 6154512), (70, 5714904), (78, 5128760), (80, 5000541), (84, 4762420), (91, 4396080), (104, 3846570), (105, 3809936), (112, 3571815), (120, 3333694), (130, 3077256), (140, 2857452), (156, 2564380), (168, 2381210), (169, 2367120), (182, 2198040), (195, 2051504), (208, 1923285), (210, 1904968), (240, 1666847), (260, 1538628), (273, 1465360), (280, 1428726), (312, 1282190), (336, 1190605), (338, 1183560), (364, 1099020), (390, 1025752), (420, 952484), (455, 879216), (507, 789040), (520, 769314), (546, 732680), (560, 714363), (624, 641095), (676, 591780), (728, 549510), (780, 512876), (840, 476242), (845, 473424), (910, 439608), (1014, 394520), (1040, 384657), (1092, 366340), (1183, 338160), (1352, 295890), (1365, 293072), (1409, 283920), (1456, 274755), (1560, 256438), (1680, 238121), (1690, 236712), (1820, 219804), (2028, 197260), (2184, 183170), (2366, 169080), (2535, 157808), (2704, 147945), (2730, 146536), (2818, 141960), (3120, 128219), (3380, 118356), (3549, 112720), (3640, 109902), (4056, 98630), (4227, 94640), (4368, 91585), (4732, 84540), (5070, 78904), (5460, 73268), (5636, 70980), (5915, 67632), (6760, 59178), (7045, 56784), (7098, 56360), (7280, 54951), (8112, 49315), (8454, 47320), (9464, 42270), (9863, 40560), (10140, 39452), (10920, 36634), (11272, 35490), (11830, 33816), (13520, 29589), (14090, 28392), (14196, 28180), (16908, 23660), (17745, 22544), (18317, 21840), (18928, 21135), (19726, 20280)]