161808570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 256

約数和(自身を含む): 553512960

約数和(自身を除く): 391704390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 43, 45, 54, 55, 63, 66, 70, 77, 86, 90, 99, 105, 110, 126, 129, 135, 154, 165, 181, 189, 198, 210, 215, 231, 258, 270, 297, 301, 315, 330, 362, 378, 385, 387, 430, 462, 473, 495, 543, 594, 602, 630, 645, 693, 770, 774, 903, 905, 945, 946, 990, 1086, 1155, 1161, 1267, 1290, 1386, 1419, 1485, 1505, 1629, 1806, 1810, 1890, 1935, 1991, 2079, 2310, 2322, 2365, 2534, 2709, 2715, 2838, 2970, 3010, 3258, 3311, 3465, 3801, 3870, 3982, 4158, 4257, 4515, 4730, 4887, 5418, 5430, 5805, 5973, 6335, 6622, 6930, 7095, 7602, 7783, 8127, 8145, 8514, 9030, 9774, 9933, 9955, 10395, 11403, 11610, 11946, 12670, 12771, 13545, 13937, 14190, 15566, 16254, 16290, 16555, 17919, 19005, 19866, 19910, 20790, 21285, 22806, 23349, 24435, 25542, 27090, 27874, 29799, 29865, 33110, 34209, 35838, 38010, 38915, 40635, 41811, 42570, 46698, 48870, 49665, 53757, 54481, 57015, 59598, 59730, 63855, 68418, 69685, 70047, 77830, 81270, 83622, 85613, 89397, 89595, 99330, 107514, 108962, 114030, 116745, 125433, 127710, 139370, 140094, 148995, 163443, 171045, 171226, 178794, 179190, 209055, 210141, 233490, 250866, 256839, 268785, 272405, 297990, 326886, 342090, 350235, 376299, 418110, 420282, 428065, 446985, 490329, 513678, 537570, 544810, 599291, 627165, 700470, 752598, 770517, 817215, 856130, 893970, 980658, 1050705, 1198582, 1254330, 1284195, 1470987, 1541034, 1634430, 1797873, 1881495, 2101410, 2311551, 2451645, 2568390, 2941974, 2996455, 3595746, 3762990, 3852585, 4623102, 4903290, 5393619, 5992910, 7354935, 7705170, 8989365, 10787238, 11557755, 14709870, 16180857, 17978730, 23115510, 26968095, 32361714, 53936190, 80904285, 161808570]

約数ペア:

[(1, 161808570), (2, 80904285), (3, 53936190), (5, 32361714), (6, 26968095), (7, 23115510), (9, 17978730), (10, 16180857), (11, 14709870), (14, 11557755), (15, 10787238), (18, 8989365), (21, 7705170), (22, 7354935), (27, 5992910), (30, 5393619), (33, 4903290), (35, 4623102), (42, 3852585), (43, 3762990), (45, 3595746), (54, 2996455), (55, 2941974), (63, 2568390), (66, 2451645), (70, 2311551), (77, 2101410), (86, 1881495), (90, 1797873), (99, 1634430), (105, 1541034), (110, 1470987), (126, 1284195), (129, 1254330), (135, 1198582), (154, 1050705), (165, 980658), (181, 893970), (189, 856130), (198, 817215), (210, 770517), (215, 752598), (231, 700470), (258, 627165), (270, 599291), (297, 544810), (301, 537570), (315, 513678), (330, 490329), (362, 446985), (378, 428065), (385, 420282), (387, 418110), (430, 376299), (462, 350235), (473, 342090), (495, 326886), (543, 297990), (594, 272405), (602, 268785), (630, 256839), (645, 250866), (693, 233490), (770, 210141), (774, 209055), (903, 179190), (905, 178794), (945, 171226), (946, 171045), (990, 163443), (1086, 148995), (1155, 140094), (1161, 139370), (1267, 127710), (1290, 125433), (1386, 116745), (1419, 114030), (1485, 108962), (1505, 107514), (1629, 99330), (1806, 89595), (1810, 89397), (1890, 85613), (1935, 83622), (1991, 81270), (2079, 77830), (2310, 70047), (2322, 69685), (2365, 68418), (2534, 63855), (2709, 59730), (2715, 59598), (2838, 57015), (2970, 54481), (3010, 53757), (3258, 49665), (3311, 48870), (3465, 46698), (3801, 42570), (3870, 41811), (3982, 40635), (4158, 38915), (4257, 38010), (4515, 35838), (4730, 34209), (4887, 33110), (5418, 29865), (5430, 29799), (5805, 27874), (5973, 27090), (6335, 25542), (6622, 24435), (6930, 23349), (7095, 22806), (7602, 21285), (7783, 20790), (8127, 19910), (8145, 19866), (8514, 19005), (9030, 17919), (9774, 16555), (9933, 16290), (9955, 16254), (10395, 15566), (11403, 14190), (11610, 13937), (11946, 13545), (12670, 12771)]