161787780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1336

約数の個数: 240

約数和(自身を含む): 633257856

約数和(自身を除く): 471470076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 162, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 324, 330, 378, 385, 396, 405, 420, 462, 495, 540, 567, 594, 630, 660, 693, 756, 770, 810, 891, 924, 945, 990, 1134, 1155, 1188, 1260, 1297, 1386, 1485, 1540, 1620, 1782, 1890, 1980, 2079, 2268, 2310, 2594, 2772, 2835, 2970, 3465, 3564, 3780, 3891, 4158, 4455, 4620, 5188, 5670, 5940, 6237, 6485, 6930, 7782, 8316, 8910, 9079, 10395, 11340, 11673, 12474, 12970, 13860, 14267, 15564, 17820, 18158, 19455, 20790, 23346, 24948, 25940, 27237, 28534, 31185, 35019, 36316, 38910, 41580, 42801, 45395, 46692, 54474, 57068, 58365, 62370, 70038, 71335, 77820, 81711, 85602, 90790, 99869, 105057, 108948, 116730, 124740, 128403, 136185, 140076, 142670, 163422, 171204, 175095, 181580, 199738, 210114, 214005, 233460, 245133, 256806, 272370, 285340, 299607, 326844, 350190, 385209, 399476, 408555, 420228, 428010, 490266, 499345, 513612, 525285, 544740, 599214, 642015, 700380, 735399, 770418, 817110, 856020, 898821, 980532, 998690, 1050570, 1155627, 1198428, 1225665, 1284030, 1470798, 1498035, 1540836, 1634220, 1797642, 1926045, 1997380, 2101140, 2311254, 2451330, 2568060, 2696463, 2941596, 2996070, 3595284, 3676995, 3852090, 4494105, 4622508, 4902660, 5392926, 5778135, 5992140, 7353990, 7704180, 8089389, 8988210, 10785852, 11556270, 13482315, 14707980, 16178778, 17976420, 23112540, 26964630, 32357556, 40446945, 53929260, 80893890, 161787780]

約数ペア:

[(1, 161787780), (2, 80893890), (3, 53929260), (4, 40446945), (5, 32357556), (6, 26964630), (7, 23112540), (9, 17976420), (10, 16178778), (11, 14707980), (12, 13482315), (14, 11556270), (15, 10785852), (18, 8988210), (20, 8089389), (21, 7704180), (22, 7353990), (27, 5992140), (28, 5778135), (30, 5392926), (33, 4902660), (35, 4622508), (36, 4494105), (42, 3852090), (44, 3676995), (45, 3595284), (54, 2996070), (55, 2941596), (60, 2696463), (63, 2568060), (66, 2451330), (70, 2311254), (77, 2101140), (81, 1997380), (84, 1926045), (90, 1797642), (99, 1634220), (105, 1540836), (108, 1498035), (110, 1470798), (126, 1284030), (132, 1225665), (135, 1198428), (140, 1155627), (154, 1050570), (162, 998690), (165, 980532), (180, 898821), (189, 856020), (198, 817110), (210, 770418), (220, 735399), (231, 700380), (252, 642015), (270, 599214), (297, 544740), (308, 525285), (315, 513612), (324, 499345), (330, 490266), (378, 428010), (385, 420228), (396, 408555), (405, 399476), (420, 385209), (462, 350190), (495, 326844), (540, 299607), (567, 285340), (594, 272370), (630, 256806), (660, 245133), (693, 233460), (756, 214005), (770, 210114), (810, 199738), (891, 181580), (924, 175095), (945, 171204), (990, 163422), (1134, 142670), (1155, 140076), (1188, 136185), (1260, 128403), (1297, 124740), (1386, 116730), (1485, 108948), (1540, 105057), (1620, 99869), (1782, 90790), (1890, 85602), (1980, 81711), (2079, 77820), (2268, 71335), (2310, 70038), (2594, 62370), (2772, 58365), (2835, 57068), (2970, 54474), (3465, 46692), (3564, 45395), (3780, 42801), (3891, 41580), (4158, 38910), (4455, 36316), (4620, 35019), (5188, 31185), (5670, 28534), (5940, 27237), (6237, 25940), (6485, 24948), (6930, 23346), (7782, 20790), (8316, 19455), (8910, 18158), (9079, 17820), (10395, 15564), (11340, 14267), (11673, 13860), (12474, 12970)]