81252180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 193085100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 53, 54, 60, 68, 85, 90, 102, 106, 108, 135, 153, 159, 167, 170, 180, 204, 212, 255, 265, 270, 306, 318, 334, 340, 459, 477, 501, 510, 530, 540, 612, 636, 668, 765, 795, 835, 901, 918, 954, 1002, 1020, 1060, 1431, 1503, 1530, 1590, 1670, 1802, 1836, 1908, 2004, 2295, 2385, 2505, 2703, 2839, 2862, 3006, 3060, 3180, 3340, 3604, 4505, 4509, 4590, 4770, 5010, 5406, 5678, 5724, 6012, 7155, 7515, 8109, 8517, 8851, 9010, 9018, 9180, 9540, 10020, 10812, 11356, 13515, 14195, 14310, 15030, 16218, 17034, 17702, 18020, 18036, 22545, 24327, 25551, 26553, 27030, 28390, 28620, 30060, 32436, 34068, 35404, 40545, 42585, 44255, 45090, 48654, 51102, 53106, 54060, 56780, 76653, 79659, 81090, 85170, 88510, 90180, 97308, 102204, 106212, 121635, 127755, 132765, 150467, 153306, 159318, 162180, 170340, 177020, 238977, 243270, 255510, 265530, 300934, 306612, 318636, 383265, 398295, 451401, 477954, 486540, 511020, 531060, 601868, 752335, 766530, 796590, 902802, 955908, 1194885, 1354203, 1504670, 1533060, 1593180, 1805604, 2257005, 2389770, 2708406, 3009340, 4062609, 4514010, 4779540, 5416812, 6771015, 8125218, 9028020, 13542030, 16250436, 20313045, 27084060, 40626090, 81252180]

約数ペア:

[(1, 81252180), (2, 40626090), (3, 27084060), (4, 20313045), (5, 16250436), (6, 13542030), (9, 9028020), (10, 8125218), (12, 6771015), (15, 5416812), (17, 4779540), (18, 4514010), (20, 4062609), (27, 3009340), (30, 2708406), (34, 2389770), (36, 2257005), (45, 1805604), (51, 1593180), (53, 1533060), (54, 1504670), (60, 1354203), (68, 1194885), (85, 955908), (90, 902802), (102, 796590), (106, 766530), (108, 752335), (135, 601868), (153, 531060), (159, 511020), (167, 486540), (170, 477954), (180, 451401), (204, 398295), (212, 383265), (255, 318636), (265, 306612), (270, 300934), (306, 265530), (318, 255510), (334, 243270), (340, 238977), (459, 177020), (477, 170340), (501, 162180), (510, 159318), (530, 153306), (540, 150467), (612, 132765), (636, 127755), (668, 121635), (765, 106212), (795, 102204), (835, 97308), (901, 90180), (918, 88510), (954, 85170), (1002, 81090), (1020, 79659), (1060, 76653), (1431, 56780), (1503, 54060), (1530, 53106), (1590, 51102), (1670, 48654), (1802, 45090), (1836, 44255), (1908, 42585), (2004, 40545), (2295, 35404), (2385, 34068), (2505, 32436), (2703, 30060), (2839, 28620), (2862, 28390), (3006, 27030), (3060, 26553), (3180, 25551), (3340, 24327), (3604, 22545), (4505, 18036), (4509, 18020), (4590, 17702), (4770, 17034), (5010, 16218), (5406, 15030), (5678, 14310), (5724, 14195), (6012, 13515), (7155, 11356), (7515, 10812), (8109, 10020), (8517, 9540), (8851, 9180), (9010, 9018)]