81400050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3413}}^1$

素因数の和:3484

約数の個数: 72

約数和(自身を含む): 222886404

約数和(自身を除く): 141486354

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 53, 75, 90, 106, 150, 159, 225, 265, 318, 450, 477, 530, 795, 954, 1325, 1590, 2385, 2650, 3413, 3975, 4770, 6826, 7950, 10239, 11925, 17065, 20478, 23850, 30717, 34130, 51195, 61434, 85325, 102390, 153585, 170650, 180889, 255975, 307170, 361778, 511950, 542667, 767925, 904445, 1085334, 1535850, 1628001, 1808890, 2713335, 3256002, 4522225, 5426670, 8140005, 9044450, 13566675, 16280010, 27133350, 40700025, 81400050]

約数ペア:

[(1, 81400050), (2, 40700025), (3, 27133350), (5, 16280010), (6, 13566675), (9, 9044450), (10, 8140005), (15, 5426670), (18, 4522225), (25, 3256002), (30, 2713335), (45, 1808890), (50, 1628001), (53, 1535850), (75, 1085334), (90, 904445), (106, 767925), (150, 542667), (159, 511950), (225, 361778), (265, 307170), (318, 255975), (450, 180889), (477, 170650), (530, 153585), (795, 102390), (954, 85325), (1325, 61434), (1590, 51195), (2385, 34130), (2650, 30717), (3413, 23850), (3975, 20478), (4770, 17065), (6826, 11925), (7950, 10239)]