171844740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1904

約数の個数: 144

約数和(自身を含む): 569325120

約数和(自身を除く): 397480380

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, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 1861, 2052, 2430, 2565, 3078, 3420, 3722, 4617, 4860, 5130, 5583, 6156, 7444, 7695, 9234, 9305, 10260, 11166, 15390, 16749, 18468, 18610, 22332, 23085, 27915, 30780, 33498, 35359, 37220, 46170, 50247, 55830, 66996, 70718, 83745, 92340, 100494, 106077, 111660, 141436, 150741, 167490, 176795, 200988, 212154, 251235, 301482, 318231, 334980, 353590, 424308, 452223, 502470, 530385, 602964, 636462, 707180, 753705, 904446, 954693, 1004940, 1060770, 1272924, 1507410, 1591155, 1808892, 1909386, 2121540, 2261115, 2864079, 3014820, 3182310, 3818772, 4522230, 4773465, 5728158, 6364620, 8592237, 9044460, 9546930, 11456316, 14320395, 17184474, 19093860, 28640790, 34368948, 42961185, 57281580, 85922370, 171844740]

約数ペア:

[(1, 171844740), (2, 85922370), (3, 57281580), (4, 42961185), (5, 34368948), (6, 28640790), (9, 19093860), (10, 17184474), (12, 14320395), (15, 11456316), (18, 9546930), (19, 9044460), (20, 8592237), (27, 6364620), (30, 5728158), (36, 4773465), (38, 4522230), (45, 3818772), (54, 3182310), (57, 3014820), (60, 2864079), (76, 2261115), (81, 2121540), (90, 1909386), (95, 1808892), (108, 1591155), (114, 1507410), (135, 1272924), (162, 1060770), (171, 1004940), (180, 954693), (190, 904446), (228, 753705), (243, 707180), (270, 636462), (285, 602964), (324, 530385), (342, 502470), (380, 452223), (405, 424308), (486, 353590), (513, 334980), (540, 318231), (570, 301482), (684, 251235), (810, 212154), (855, 200988), (972, 176795), (1026, 167490), (1140, 150741), (1215, 141436), (1539, 111660), (1620, 106077), (1710, 100494), (1861, 92340), (2052, 83745), (2430, 70718), (2565, 66996), (3078, 55830), (3420, 50247), (3722, 46170), (4617, 37220), (4860, 35359), (5130, 33498), (5583, 30780), (6156, 27915), (7444, 23085), (7695, 22332), (9234, 18610), (9305, 18468), (10260, 16749), (11166, 15390)]