31091580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 107627520

約数和(自身を除く): 76535940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 78, 86, 90, 103, 108, 117, 129, 130, 135, 156, 172, 180, 195, 206, 215, 234, 258, 260, 270, 309, 351, 387, 390, 412, 430, 468, 515, 516, 540, 559, 585, 618, 645, 702, 774, 780, 860, 927, 1030, 1118, 1161, 1170, 1236, 1290, 1339, 1404, 1545, 1548, 1677, 1755, 1854, 1935, 2060, 2236, 2322, 2340, 2580, 2678, 2781, 2795, 3090, 3354, 3510, 3708, 3870, 4017, 4429, 4635, 4644, 5031, 5356, 5562, 5590, 5805, 6180, 6695, 6708, 7020, 7740, 8034, 8385, 8858, 9270, 10062, 11124, 11180, 11610, 12051, 13287, 13390, 13905, 15093, 16068, 16770, 17716, 18540, 20085, 20124, 22145, 23220, 24102, 25155, 26574, 26780, 27810, 30186, 33540, 36153, 39861, 40170, 44290, 48204, 50310, 53148, 55620, 57577, 60255, 60372, 66435, 72306, 75465, 79722, 80340, 88580, 100620, 115154, 119583, 120510, 132870, 144612, 150930, 159444, 172731, 180765, 199305, 230308, 239166, 241020, 265740, 287885, 301860, 345462, 361530, 398610, 478332, 518193, 575770, 597915, 690924, 723060, 797220, 863655, 1036386, 1151540, 1195830, 1554579, 1727310, 2072772, 2391660, 2590965, 3109158, 3454620, 5181930, 6218316, 7772895, 10363860, 15545790, 31091580]

約数ペア:

[(1, 31091580), (2, 15545790), (3, 10363860), (4, 7772895), (5, 6218316), (6, 5181930), (9, 3454620), (10, 3109158), (12, 2590965), (13, 2391660), (15, 2072772), (18, 1727310), (20, 1554579), (26, 1195830), (27, 1151540), (30, 1036386), (36, 863655), (39, 797220), (43, 723060), (45, 690924), (52, 597915), (54, 575770), (60, 518193), (65, 478332), (78, 398610), (86, 361530), (90, 345462), (103, 301860), (108, 287885), (117, 265740), (129, 241020), (130, 239166), (135, 230308), (156, 199305), (172, 180765), (180, 172731), (195, 159444), (206, 150930), (215, 144612), (234, 132870), (258, 120510), (260, 119583), (270, 115154), (309, 100620), (351, 88580), (387, 80340), (390, 79722), (412, 75465), (430, 72306), (468, 66435), (515, 60372), (516, 60255), (540, 57577), (559, 55620), (585, 53148), (618, 50310), (645, 48204), (702, 44290), (774, 40170), (780, 39861), (860, 36153), (927, 33540), (1030, 30186), (1118, 27810), (1161, 26780), (1170, 26574), (1236, 25155), (1290, 24102), (1339, 23220), (1404, 22145), (1545, 20124), (1548, 20085), (1677, 18540), (1755, 17716), (1854, 16770), (1935, 16068), (2060, 15093), (2236, 13905), (2322, 13390), (2340, 13287), (2580, 12051), (2678, 11610), (2781, 11180), (2795, 11124), (3090, 10062), (3354, 9270), (3510, 8858), (3708, 8385), (3870, 8034), (4017, 7740), (4429, 7020), (4635, 6708), (4644, 6695), (5031, 6180), (5356, 5805), (5562, 5590)]