291267240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{839}}^1$

素因数の和:1127

約数の個数: 128

約数和(自身を含む): 958003200

約数和(自身を除く): 666735960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 263, 264, 330, 440, 526, 660, 789, 839, 1052, 1315, 1320, 1578, 1678, 2104, 2517, 2630, 2893, 3156, 3356, 3945, 4195, 5034, 5260, 5786, 6312, 6712, 7890, 8390, 8679, 9229, 10068, 10520, 11572, 12585, 14465, 15780, 16780, 17358, 18458, 20136, 23144, 25170, 27687, 28930, 31560, 33560, 34716, 36916, 43395, 46145, 50340, 55374, 57860, 69432, 73832, 86790, 92290, 100680, 110748, 115720, 138435, 173580, 184580, 220657, 221496, 276870, 347160, 369160, 441314, 553740, 661971, 882628, 1103285, 1107480, 1323942, 1765256, 2206570, 2427227, 2647884, 3309855, 4413140, 4854454, 5295768, 6619710, 7281681, 8826280, 9708908, 12136135, 13239420, 14563362, 19417816, 24272270, 26478840, 29126724, 36408405, 48544540, 58253448, 72816810, 97089080, 145633620, 291267240]

約数ペア:

[(1, 291267240), (2, 145633620), (3, 97089080), (4, 72816810), (5, 58253448), (6, 48544540), (8, 36408405), (10, 29126724), (11, 26478840), (12, 24272270), (15, 19417816), (20, 14563362), (22, 13239420), (24, 12136135), (30, 9708908), (33, 8826280), (40, 7281681), (44, 6619710), (55, 5295768), (60, 4854454), (66, 4413140), (88, 3309855), (110, 2647884), (120, 2427227), (132, 2206570), (165, 1765256), (220, 1323942), (263, 1107480), (264, 1103285), (330, 882628), (440, 661971), (526, 553740), (660, 441314), (789, 369160), (839, 347160), (1052, 276870), (1315, 221496), (1320, 220657), (1578, 184580), (1678, 173580), (2104, 138435), (2517, 115720), (2630, 110748), (2893, 100680), (3156, 92290), (3356, 86790), (3945, 73832), (4195, 69432), (5034, 57860), (5260, 55374), (5786, 50340), (6312, 46145), (6712, 43395), (7890, 36916), (8390, 34716), (8679, 33560), (9229, 31560), (10068, 28930), (10520, 27687), (11572, 25170), (12585, 23144), (14465, 20136), (15780, 18458), (16780, 17358)]