256778730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11551}}^1$

素因数の和:11596

約数の個数: 96

約数和(自身を含む): 756887040

約数和(自身を除く): 500108310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 171, 190, 195, 234, 247, 285, 342, 390, 494, 570, 585, 741, 855, 1170, 1235, 1482, 1710, 2223, 2470, 3705, 4446, 7410, 11115, 11551, 22230, 23102, 34653, 57755, 69306, 103959, 115510, 150163, 173265, 207918, 219469, 300326, 346530, 438938, 450489, 519795, 658407, 750815, 900978, 1039590, 1097345, 1316814, 1351467, 1501630, 1975221, 2194690, 2252445, 2702934, 2853097, 3292035, 3950442, 4504890, 5706194, 6584070, 6757335, 8559291, 9876105, 13514670, 14265485, 17118582, 19752210, 25677873, 28530970, 42796455, 51355746, 85592910, 128389365, 256778730]

約数ペア:

[(1, 256778730), (2, 128389365), (3, 85592910), (5, 51355746), (6, 42796455), (9, 28530970), (10, 25677873), (13, 19752210), (15, 17118582), (18, 14265485), (19, 13514670), (26, 9876105), (30, 8559291), (38, 6757335), (39, 6584070), (45, 5706194), (57, 4504890), (65, 3950442), (78, 3292035), (90, 2853097), (95, 2702934), (114, 2252445), (117, 2194690), (130, 1975221), (171, 1501630), (190, 1351467), (195, 1316814), (234, 1097345), (247, 1039590), (285, 900978), (342, 750815), (390, 658407), (494, 519795), (570, 450489), (585, 438938), (741, 346530), (855, 300326), (1170, 219469), (1235, 207918), (1482, 173265), (1710, 150163), (2223, 115510), (2470, 103959), (3705, 69306), (4446, 57755), (7410, 34653), (11115, 23102), (11551, 22230)]