181691370

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 557383680

約数和(自身を除く): 375692310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 251, 270, 315, 378, 383, 502, 630, 753, 766, 945, 1149, 1255, 1506, 1757, 1890, 1915, 2259, 2298, 2510, 2681, 3447, 3514, 3765, 3830, 4518, 5271, 5362, 5745, 6777, 6894, 7530, 8043, 8785, 10341, 10542, 11295, 11490, 13405, 13554, 15813, 16086, 17235, 17570, 20682, 22590, 24129, 26355, 26810, 31626, 33885, 34470, 40215, 47439, 48258, 51705, 52710, 67770, 72387, 79065, 80430, 94878, 96133, 103410, 120645, 144774, 158130, 192266, 237195, 241290, 288399, 361935, 474390, 480665, 576798, 672931, 723870, 865197, 961330, 1345862, 1441995, 1730394, 2018793, 2595591, 2883990, 3364655, 4037586, 4325985, 5191182, 6056379, 6729310, 8651970, 10093965, 12112758, 12977955, 18169137, 20187930, 25955910, 30281895, 36338274, 60563790, 90845685, 181691370]

約数ペア:

[(1, 181691370), (2, 90845685), (3, 60563790), (5, 36338274), (6, 30281895), (7, 25955910), (9, 20187930), (10, 18169137), (14, 12977955), (15, 12112758), (18, 10093965), (21, 8651970), (27, 6729310), (30, 6056379), (35, 5191182), (42, 4325985), (45, 4037586), (54, 3364655), (63, 2883990), (70, 2595591), (90, 2018793), (105, 1730394), (126, 1441995), (135, 1345862), (189, 961330), (210, 865197), (251, 723870), (270, 672931), (315, 576798), (378, 480665), (383, 474390), (502, 361935), (630, 288399), (753, 241290), (766, 237195), (945, 192266), (1149, 158130), (1255, 144774), (1506, 120645), (1757, 103410), (1890, 96133), (1915, 94878), (2259, 80430), (2298, 79065), (2510, 72387), (2681, 67770), (3447, 52710), (3514, 51705), (3765, 48258), (3830, 47439), (4518, 40215), (5271, 34470), (5362, 33885), (5745, 31626), (6777, 26810), (6894, 26355), (7530, 24129), (8043, 22590), (8785, 20682), (10341, 17570), (10542, 17235), (11295, 16086), (11490, 15813), (13405, 13554)]