81091530

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 250967808

約数和(自身を除く): 169876278

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 81, 85, 90, 102, 117, 130, 135, 151, 153, 162, 170, 195, 221, 234, 243, 255, 270, 302, 306, 351, 390, 405, 442, 453, 459, 486, 510, 585, 663, 702, 755, 765, 810, 906, 918, 1053, 1105, 1170, 1215, 1326, 1359, 1377, 1510, 1530, 1755, 1963, 1989, 2106, 2210, 2265, 2295, 2430, 2567, 2718, 2754, 3159, 3315, 3510, 3926, 3978, 4077, 4131, 4530, 4590, 5134, 5265, 5889, 5967, 6318, 6630, 6795, 6885, 7701, 8154, 8262, 9815, 9945, 10530, 11778, 11934, 12231, 12835, 13590, 13770, 15402, 15795, 17667, 17901, 19630, 19890, 20385, 20655, 23103, 24462, 25670, 29445, 29835, 31590, 33371, 35334, 35802, 36693, 38505, 40770, 41310, 46206, 53001, 53703, 58890, 59670, 61155, 66742, 69309, 73386, 77010, 88335, 89505, 100113, 106002, 107406, 115515, 122310, 138618, 159003, 166855, 176670, 179010, 183465, 200226, 207927, 231030, 265005, 268515, 300339, 318006, 333710, 346545, 366930, 415854, 477009, 500565, 530010, 537030, 600678, 623781, 693090, 795015, 901017, 954018, 1001130, 1039635, 1247562, 1501695, 1590030, 1802034, 2079270, 2385045, 2703051, 3003390, 3118905, 4505085, 4770090, 5406102, 6237810, 8109153, 9010170, 13515255, 16218306, 27030510, 40545765, 81091530]

約数ペア:

[(1, 81091530), (2, 40545765), (3, 27030510), (5, 16218306), (6, 13515255), (9, 9010170), (10, 8109153), (13, 6237810), (15, 5406102), (17, 4770090), (18, 4505085), (26, 3118905), (27, 3003390), (30, 2703051), (34, 2385045), (39, 2079270), (45, 1802034), (51, 1590030), (54, 1501695), (65, 1247562), (78, 1039635), (81, 1001130), (85, 954018), (90, 901017), (102, 795015), (117, 693090), (130, 623781), (135, 600678), (151, 537030), (153, 530010), (162, 500565), (170, 477009), (195, 415854), (221, 366930), (234, 346545), (243, 333710), (255, 318006), (270, 300339), (302, 268515), (306, 265005), (351, 231030), (390, 207927), (405, 200226), (442, 183465), (453, 179010), (459, 176670), (486, 166855), (510, 159003), (585, 138618), (663, 122310), (702, 115515), (755, 107406), (765, 106002), (810, 100113), (906, 89505), (918, 88335), (1053, 77010), (1105, 73386), (1170, 69309), (1215, 66742), (1326, 61155), (1359, 59670), (1377, 58890), (1510, 53703), (1530, 53001), (1755, 46206), (1963, 41310), (1989, 40770), (2106, 38505), (2210, 36693), (2265, 35802), (2295, 35334), (2430, 33371), (2567, 31590), (2718, 29835), (2754, 29445), (3159, 25670), (3315, 24462), (3510, 23103), (3926, 20655), (3978, 20385), (4077, 19890), (4131, 19630), (4530, 17901), (4590, 17667), (5134, 15795), (5265, 15402), (5889, 13770), (5967, 13590), (6318, 12835), (6630, 12231), (6795, 11934), (6885, 11778), (7701, 10530), (8154, 9945), (8262, 9815)]