161666820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2295

約数の個数: 192

約数和(自身を含む): 605337600

約数和(自身を除く): 443670780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2251, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4502, 4788, 5130, 5985, 6753, 7182, 7980, 9004, 10260, 11255, 11970, 13506, 14364, 15757, 17955, 20259, 22510, 23940, 27012, 31514, 33765, 35910, 40518, 42769, 45020, 47271, 60777, 63028, 67530, 71820, 78785, 81036, 85538, 94542, 101295, 121554, 128307, 135060, 141813, 157570, 171076, 189084, 202590, 213845, 236355, 243108, 256614, 283626, 299383, 303885, 315140, 384921, 405180, 425439, 427690, 472710, 513228, 567252, 598766, 607770, 641535, 709065, 769842, 850878, 855380, 898149, 945420, 1154763, 1197532, 1215540, 1283070, 1418130, 1496915, 1539684, 1701756, 1796298, 1924605, 2127195, 2309526, 2566140, 2694447, 2836260, 2993830, 3592596, 3849210, 4254390, 4490745, 4619052, 5388894, 5773815, 5987660, 7698420, 8083341, 8508780, 8981490, 10777788, 11547630, 13472235, 16166682, 17962980, 23095260, 26944470, 32333364, 40416705, 53888940, 80833410, 161666820]

約数ペア:

[(1, 161666820), (2, 80833410), (3, 53888940), (4, 40416705), (5, 32333364), (6, 26944470), (7, 23095260), (9, 17962980), (10, 16166682), (12, 13472235), (14, 11547630), (15, 10777788), (18, 8981490), (19, 8508780), (20, 8083341), (21, 7698420), (27, 5987660), (28, 5773815), (30, 5388894), (35, 4619052), (36, 4490745), (38, 4254390), (42, 3849210), (45, 3592596), (54, 2993830), (57, 2836260), (60, 2694447), (63, 2566140), (70, 2309526), (76, 2127195), (84, 1924605), (90, 1796298), (95, 1701756), (105, 1539684), (108, 1496915), (114, 1418130), (126, 1283070), (133, 1215540), (135, 1197532), (140, 1154763), (171, 945420), (180, 898149), (189, 855380), (190, 850878), (210, 769842), (228, 709065), (252, 641535), (266, 607770), (270, 598766), (285, 567252), (315, 513228), (342, 472710), (378, 427690), (380, 425439), (399, 405180), (420, 384921), (513, 315140), (532, 303885), (540, 299383), (570, 283626), (630, 256614), (665, 243108), (684, 236355), (756, 213845), (798, 202590), (855, 189084), (945, 171076), (1026, 157570), (1140, 141813), (1197, 135060), (1260, 128307), (1330, 121554), (1596, 101295), (1710, 94542), (1890, 85538), (1995, 81036), (2052, 78785), (2251, 71820), (2394, 67530), (2565, 63028), (2660, 60777), (3420, 47271), (3591, 45020), (3780, 42769), (3990, 40518), (4502, 35910), (4788, 33765), (5130, 31514), (5985, 27012), (6753, 23940), (7182, 22510), (7980, 20259), (9004, 17955), (10260, 15757), (11255, 14364), (11970, 13506)]