161555940

素因数分解:

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

素因数の和:1451

約数の個数: 216

約数和(自身を含む): 614348280

約数和(自身を除く): 452792340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1409, 1470, 1638, 1764, 1820, 1911, 2205, 2340, 2548, 2730, 2818, 2940, 3185, 3276, 3822, 4095, 4227, 4410, 5460, 5636, 5733, 6370, 7045, 7644, 8190, 8454, 8820, 9555, 9863, 11466, 12681, 12740, 14090, 16380, 16908, 18317, 19110, 19726, 21135, 22932, 25362, 28180, 28665, 29589, 36634, 38220, 39452, 42270, 49315, 50724, 54951, 57330, 59178, 63405, 69041, 73268, 84540, 88767, 91585, 98630, 109902, 114660, 118356, 126810, 128219, 138082, 147945, 164853, 177534, 183170, 197260, 207123, 219804, 253620, 256438, 274755, 276164, 295890, 329706, 345205, 355068, 366340, 384657, 414246, 443835, 512876, 549510, 591780, 621369, 641095, 659412, 690410, 769314, 824265, 828492, 887670, 897533, 1035615, 1099020, 1153971, 1242738, 1282190, 1380820, 1538628, 1648530, 1775340, 1795066, 1923285, 2071230, 2307942, 2485476, 2564380, 2692599, 3106845, 3297060, 3590132, 3846570, 4142460, 4487665, 4615884, 5385198, 5769855, 6213690, 7693140, 8077797, 8975330, 10770396, 11539710, 12427380, 13462995, 16155594, 17950660, 23079420, 26925990, 32311188, 40388985, 53851980, 80777970, 161555940]

約数ペア:

[(1, 161555940), (2, 80777970), (3, 53851980), (4, 40388985), (5, 32311188), (6, 26925990), (7, 23079420), (9, 17950660), (10, 16155594), (12, 13462995), (13, 12427380), (14, 11539710), (15, 10770396), (18, 8975330), (20, 8077797), (21, 7693140), (26, 6213690), (28, 5769855), (30, 5385198), (35, 4615884), (36, 4487665), (39, 4142460), (42, 3846570), (45, 3590132), (49, 3297060), (52, 3106845), (60, 2692599), (63, 2564380), (65, 2485476), (70, 2307942), (78, 2071230), (84, 1923285), (90, 1795066), (91, 1775340), (98, 1648530), (105, 1538628), (117, 1380820), (126, 1282190), (130, 1242738), (140, 1153971), (147, 1099020), (156, 1035615), (180, 897533), (182, 887670), (195, 828492), (196, 824265), (210, 769314), (234, 690410), (245, 659412), (252, 641095), (260, 621369), (273, 591780), (294, 549510), (315, 512876), (364, 443835), (390, 414246), (420, 384657), (441, 366340), (455, 355068), (468, 345205), (490, 329706), (546, 295890), (585, 276164), (588, 274755), (630, 256438), (637, 253620), (735, 219804), (780, 207123), (819, 197260), (882, 183170), (910, 177534), (980, 164853), (1092, 147945), (1170, 138082), (1260, 128219), (1274, 126810), (1365, 118356), (1409, 114660), (1470, 109902), (1638, 98630), (1764, 91585), (1820, 88767), (1911, 84540), (2205, 73268), (2340, 69041), (2548, 63405), (2730, 59178), (2818, 57330), (2940, 54951), (3185, 50724), (3276, 49315), (3822, 42270), (4095, 39452), (4227, 38220), (4410, 36634), (5460, 29589), (5636, 28665), (5733, 28180), (6370, 25362), (7045, 22932), (7644, 21135), (8190, 19726), (8454, 19110), (8820, 18317), (9555, 16908), (9863, 16380), (11466, 14090), (12681, 12740)]