261663120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6857}}^1$

素因数の和:6929

約数の個数: 120

約数和(自身を含む): 895462776

約数和(自身を除く): 633799656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 6360, 6857, 7632, 9540, 12720, 13714, 19080, 20571, 27428, 34285, 38160, 41142, 54856, 61713, 68570, 82284, 102855, 109712, 123426, 137140, 164568, 205710, 246852, 274280, 308565, 329136, 363421, 411420, 493704, 548560, 617130, 726842, 822840, 987408, 1090263, 1234260, 1453684, 1645680, 1817105, 2180526, 2468520, 2907368, 3270789, 3634210, 4361052, 4937040, 5451315, 5814736, 6541578, 7268420, 8722104, 10902630, 13083156, 14536840, 16353945, 17444208, 21805260, 26166312, 29073680, 32707890, 43610520, 52332624, 65415780, 87221040, 130831560, 261663120]

約数ペア:

[(1, 261663120), (2, 130831560), (3, 87221040), (4, 65415780), (5, 52332624), (6, 43610520), (8, 32707890), (9, 29073680), (10, 26166312), (12, 21805260), (15, 17444208), (16, 16353945), (18, 14536840), (20, 13083156), (24, 10902630), (30, 8722104), (36, 7268420), (40, 6541578), (45, 5814736), (48, 5451315), (53, 4937040), (60, 4361052), (72, 3634210), (80, 3270789), (90, 2907368), (106, 2468520), (120, 2180526), (144, 1817105), (159, 1645680), (180, 1453684), (212, 1234260), (240, 1090263), (265, 987408), (318, 822840), (360, 726842), (424, 617130), (477, 548560), (530, 493704), (636, 411420), (720, 363421), (795, 329136), (848, 308565), (954, 274280), (1060, 246852), (1272, 205710), (1590, 164568), (1908, 137140), (2120, 123426), (2385, 109712), (2544, 102855), (3180, 82284), (3816, 68570), (4240, 61713), (4770, 54856), (6360, 41142), (6857, 38160), (7632, 34285), (9540, 27428), (12720, 20571), (13714, 19080)]