81767556

素因数分解:

$2^2\times 3^7\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 231436800

約数和(自身を除く): 149669244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 719, 729, 972, 1053, 1404, 1438, 1458, 2106, 2157, 2187, 2876, 2916, 3159, 4212, 4314, 4374, 6318, 6471, 8628, 8748, 9347, 9477, 12636, 12942, 18694, 18954, 19413, 25884, 28041, 28431, 37388, 37908, 38826, 56082, 56862, 58239, 77652, 84123, 112164, 113724, 116478, 168246, 174717, 232956, 252369, 336492, 349434, 504738, 524151, 698868, 757107, 1009476, 1048302, 1514214, 1572453, 2096604, 2271321, 3028428, 3144906, 4542642, 6289812, 6813963, 9085284, 13627926, 20441889, 27255852, 40883778, 81767556]

約数ペア:

[(1, 81767556), (2, 40883778), (3, 27255852), (4, 20441889), (6, 13627926), (9, 9085284), (12, 6813963), (13, 6289812), (18, 4542642), (26, 3144906), (27, 3028428), (36, 2271321), (39, 2096604), (52, 1572453), (54, 1514214), (78, 1048302), (81, 1009476), (108, 757107), (117, 698868), (156, 524151), (162, 504738), (234, 349434), (243, 336492), (324, 252369), (351, 232956), (468, 174717), (486, 168246), (702, 116478), (719, 113724), (729, 112164), (972, 84123), (1053, 77652), (1404, 58239), (1438, 56862), (1458, 56082), (2106, 38826), (2157, 37908), (2187, 37388), (2876, 28431), (2916, 28041), (3159, 25884), (4212, 19413), (4314, 18954), (4374, 18694), (6318, 12942), (6471, 12636), (8628, 9477), (8748, 9347)]