161923860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 590325120

約数和(自身を除く): 428401260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 109, 126, 131, 135, 140, 162, 180, 189, 210, 218, 252, 262, 270, 315, 324, 327, 378, 393, 405, 420, 436, 524, 540, 545, 567, 630, 654, 655, 756, 763, 786, 810, 917, 945, 981, 1090, 1134, 1179, 1260, 1308, 1310, 1526, 1572, 1620, 1635, 1834, 1890, 1962, 1965, 2180, 2268, 2289, 2358, 2620, 2751, 2835, 2943, 3052, 3270, 3537, 3668, 3780, 3815, 3924, 3930, 4578, 4585, 4716, 4905, 5502, 5670, 5886, 5895, 6540, 6867, 7074, 7630, 7860, 8253, 8829, 9156, 9170, 9810, 10611, 11004, 11340, 11445, 11772, 11790, 13734, 13755, 14148, 14279, 14715, 15260, 16506, 17658, 17685, 18340, 19620, 20601, 21222, 22890, 23580, 24759, 27468, 27510, 28558, 29430, 33012, 34335, 35316, 35370, 41202, 41265, 42444, 42837, 44145, 45780, 49518, 53055, 55020, 57116, 58860, 61803, 68670, 70740, 71395, 74277, 82404, 82530, 85674, 88290, 99036, 99953, 103005, 106110, 123606, 123795, 128511, 137340, 142790, 148554, 165060, 171348, 176580, 199906, 206010, 212220, 214185, 247212, 247590, 257022, 285580, 297108, 299859, 309015, 371385, 385533, 399812, 412020, 428370, 495180, 499765, 514044, 599718, 618030, 642555, 742770, 771066, 856740, 899577, 999530, 1156599, 1199436, 1236060, 1285110, 1485540, 1499295, 1542132, 1799154, 1927665, 1999060, 2313198, 2570220, 2698731, 2998590, 3598308, 3855330, 4497885, 4626396, 5397462, 5782995, 5997180, 7710660, 8096193, 8995770, 10794924, 11565990, 13493655, 16192386, 17991540, 23131980, 26987310, 32384772, 40480965, 53974620, 80961930, 161923860]

約数ペア:

[(1, 161923860), (2, 80961930), (3, 53974620), (4, 40480965), (5, 32384772), (6, 26987310), (7, 23131980), (9, 17991540), (10, 16192386), (12, 13493655), (14, 11565990), (15, 10794924), (18, 8995770), (20, 8096193), (21, 7710660), (27, 5997180), (28, 5782995), (30, 5397462), (35, 4626396), (36, 4497885), (42, 3855330), (45, 3598308), (54, 2998590), (60, 2698731), (63, 2570220), (70, 2313198), (81, 1999060), (84, 1927665), (90, 1799154), (105, 1542132), (108, 1499295), (109, 1485540), (126, 1285110), (131, 1236060), (135, 1199436), (140, 1156599), (162, 999530), (180, 899577), (189, 856740), (210, 771066), (218, 742770), (252, 642555), (262, 618030), (270, 599718), (315, 514044), (324, 499765), (327, 495180), (378, 428370), (393, 412020), (405, 399812), (420, 385533), (436, 371385), (524, 309015), (540, 299859), (545, 297108), (567, 285580), (630, 257022), (654, 247590), (655, 247212), (756, 214185), (763, 212220), (786, 206010), (810, 199906), (917, 176580), (945, 171348), (981, 165060), (1090, 148554), (1134, 142790), (1179, 137340), (1260, 128511), (1308, 123795), (1310, 123606), (1526, 106110), (1572, 103005), (1620, 99953), (1635, 99036), (1834, 88290), (1890, 85674), (1962, 82530), (1965, 82404), (2180, 74277), (2268, 71395), (2289, 70740), (2358, 68670), (2620, 61803), (2751, 58860), (2835, 57116), (2943, 55020), (3052, 53055), (3270, 49518), (3537, 45780), (3668, 44145), (3780, 42837), (3815, 42444), (3924, 41265), (3930, 41202), (4578, 35370), (4585, 35316), (4716, 34335), (4905, 33012), (5502, 29430), (5670, 28558), (5886, 27510), (5895, 27468), (6540, 24759), (6867, 23580), (7074, 22890), (7630, 21222), (7860, 20601), (8253, 19620), (8829, 18340), (9156, 17685), (9170, 17658), (9810, 16506), (10611, 15260), (11004, 14715), (11340, 14279), (11445, 14148), (11772, 13755), (11790, 13734)]