81060840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1736

約数の個数: 192

約数和(自身を含む): 317116800

約数和(自身を除く): 236055960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1693, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3386, 3420, 3990, 4788, 5079, 5320, 5985, 6772, 6840, 7980, 8465, 9576, 10158, 11851, 11970, 13544, 15237, 15960, 16930, 20316, 23702, 23940, 25395, 30474, 32167, 33860, 35553, 40632, 47404, 47880, 50790, 59255, 60948, 64334, 67720, 71106, 76185, 94808, 96501, 101580, 106659, 118510, 121896, 128668, 142212, 152370, 160835, 177765, 193002, 203160, 213318, 225169, 237020, 257336, 284424, 289503, 304740, 321670, 355530, 386004, 426636, 450338, 474040, 482505, 533295, 579006, 609480, 643340, 675507, 711060, 772008, 853272, 900676, 965010, 1066590, 1125845, 1158012, 1286680, 1351014, 1422120, 1447515, 1801352, 1930020, 2026521, 2133180, 2251690, 2316024, 2702028, 2895030, 3377535, 3860040, 4053042, 4266360, 4503380, 5404056, 5790060, 6755070, 8106084, 9006760, 10132605, 11580120, 13510140, 16212168, 20265210, 27020280, 40530420, 81060840]

約数ペア:

[(1, 81060840), (2, 40530420), (3, 27020280), (4, 20265210), (5, 16212168), (6, 13510140), (7, 11580120), (8, 10132605), (9, 9006760), (10, 8106084), (12, 6755070), (14, 5790060), (15, 5404056), (18, 4503380), (19, 4266360), (20, 4053042), (21, 3860040), (24, 3377535), (28, 2895030), (30, 2702028), (35, 2316024), (36, 2251690), (38, 2133180), (40, 2026521), (42, 1930020), (45, 1801352), (56, 1447515), (57, 1422120), (60, 1351014), (63, 1286680), (70, 1158012), (72, 1125845), (76, 1066590), (84, 965010), (90, 900676), (95, 853272), (105, 772008), (114, 711060), (120, 675507), (126, 643340), (133, 609480), (140, 579006), (152, 533295), (168, 482505), (171, 474040), (180, 450338), (190, 426636), (210, 386004), (228, 355530), (252, 321670), (266, 304740), (280, 289503), (285, 284424), (315, 257336), (342, 237020), (360, 225169), (380, 213318), (399, 203160), (420, 193002), (456, 177765), (504, 160835), (532, 152370), (570, 142212), (630, 128668), (665, 121896), (684, 118510), (760, 106659), (798, 101580), (840, 96501), (855, 94808), (1064, 76185), (1140, 71106), (1197, 67720), (1260, 64334), (1330, 60948), (1368, 59255), (1596, 50790), (1693, 47880), (1710, 47404), (1995, 40632), (2280, 35553), (2394, 33860), (2520, 32167), (2660, 30474), (3192, 25395), (3386, 23940), (3420, 23702), (3990, 20316), (4788, 16930), (5079, 15960), (5320, 15237), (5985, 13544), (6772, 11970), (6840, 11851), (7980, 10158), (8465, 9576)]