161307720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1169

約数の個数: 256

約数和(自身を含む): 647424000

約数和(自身を除く): 486116280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1123, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2246, 2280, 2394, 2520, 2565, 2660, 3192, 3369, 3420, 3591, 3780, 3990, 4104, 4492, 4788, 5130, 5320, 5615, 5985, 6738, 6840, 7182, 7560, 7861, 7980, 8984, 9576, 10107, 10260, 11230, 11970, 13476, 14364, 15722, 15960, 16845, 17955, 20214, 20520, 21337, 22460, 23583, 23940, 26952, 28728, 30321, 31444, 33690, 35910, 39305, 40428, 42674, 44920, 47166, 47880, 50535, 60642, 62888, 64011, 67380, 70749, 71820, 78610, 80856, 85348, 94332, 101070, 106685, 117915, 121284, 128022, 134760, 141498, 143640, 149359, 151605, 157220, 170696, 188664, 192033, 202140, 212247, 213370, 235830, 242568, 256044, 282996, 298718, 303210, 314440, 320055, 353745, 384066, 404280, 424494, 426740, 448077, 471660, 512088, 565992, 576099, 597436, 606420, 640110, 707490, 746795, 768132, 848988, 853480, 896154, 943320, 960165, 1061235, 1152198, 1194872, 1212840, 1280220, 1344231, 1414980, 1493590, 1536264, 1697976, 1792308, 1920330, 2122470, 2240385, 2304396, 2560440, 2688462, 2829960, 2880495, 2987180, 3584616, 3840660, 4032693, 4244940, 4480770, 4608792, 5376924, 5760990, 5974360, 6721155, 7681320, 8065386, 8489880, 8961540, 10753848, 11521980, 13442310, 16130772, 17923080, 20163465, 23043960, 26884620, 32261544, 40326930, 53769240, 80653860, 161307720]

約数ペア:

[(1, 161307720), (2, 80653860), (3, 53769240), (4, 40326930), (5, 32261544), (6, 26884620), (7, 23043960), (8, 20163465), (9, 17923080), (10, 16130772), (12, 13442310), (14, 11521980), (15, 10753848), (18, 8961540), (19, 8489880), (20, 8065386), (21, 7681320), (24, 6721155), (27, 5974360), (28, 5760990), (30, 5376924), (35, 4608792), (36, 4480770), (38, 4244940), (40, 4032693), (42, 3840660), (45, 3584616), (54, 2987180), (56, 2880495), (57, 2829960), (60, 2688462), (63, 2560440), (70, 2304396), (72, 2240385), (76, 2122470), (84, 1920330), (90, 1792308), (95, 1697976), (105, 1536264), (108, 1493590), (114, 1414980), (120, 1344231), (126, 1280220), (133, 1212840), (135, 1194872), (140, 1152198), (152, 1061235), (168, 960165), (171, 943320), (180, 896154), (189, 853480), (190, 848988), (210, 768132), (216, 746795), (228, 707490), (252, 640110), (266, 606420), (270, 597436), (280, 576099), (285, 565992), (315, 512088), (342, 471660), (360, 448077), (378, 426740), (380, 424494), (399, 404280), (420, 384066), (456, 353745), (504, 320055), (513, 314440), (532, 303210), (540, 298718), (570, 282996), (630, 256044), (665, 242568), (684, 235830), (756, 213370), (760, 212247), (798, 202140), (840, 192033), (855, 188664), (945, 170696), (1026, 157220), (1064, 151605), (1080, 149359), (1123, 143640), (1140, 141498), (1197, 134760), (1260, 128022), (1330, 121284), (1368, 117915), (1512, 106685), (1596, 101070), (1710, 94332), (1890, 85348), (1995, 80856), (2052, 78610), (2246, 71820), (2280, 70749), (2394, 67380), (2520, 64011), (2565, 62888), (2660, 60642), (3192, 50535), (3369, 47880), (3420, 47166), (3591, 44920), (3780, 42674), (3990, 40428), (4104, 39305), (4492, 35910), (4788, 33690), (5130, 31444), (5320, 30321), (5615, 28728), (5985, 26952), (6738, 23940), (6840, 23583), (7182, 22460), (7560, 21337), (7861, 20520), (7980, 20214), (8984, 17955), (9576, 16845), (10107, 15960), (10260, 15722), (11230, 14364), (11970, 13476)]