406065720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 1289376000

約数和(自身を除く): 883310280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 241, 285, 380, 456, 482, 570, 723, 739, 760, 964, 1140, 1205, 1446, 1478, 1928, 2217, 2280, 2410, 2892, 2956, 3615, 3695, 4434, 4579, 4820, 5784, 5912, 7230, 7390, 8868, 9158, 9640, 11085, 13737, 14041, 14460, 14780, 17736, 18316, 22170, 22895, 27474, 28082, 28920, 29560, 36632, 42123, 44340, 45790, 54948, 56164, 68685, 70205, 84246, 88680, 91580, 109896, 112328, 137370, 140410, 168492, 178099, 183160, 210615, 274740, 280820, 336984, 356198, 421230, 534297, 549480, 561640, 712396, 842460, 890495, 1068594, 1424792, 1684920, 1780990, 2137188, 2671485, 3383881, 3561980, 4274376, 5342970, 6767762, 7123960, 10151643, 10685940, 13535524, 16919405, 20303286, 21371880, 27071048, 33838810, 40606572, 50758215, 67677620, 81213144, 101516430, 135355240, 203032860, 406065720]

約数ペア:

[(1, 406065720), (2, 203032860), (3, 135355240), (4, 101516430), (5, 81213144), (6, 67677620), (8, 50758215), (10, 40606572), (12, 33838810), (15, 27071048), (19, 21371880), (20, 20303286), (24, 16919405), (30, 13535524), (38, 10685940), (40, 10151643), (57, 7123960), (60, 6767762), (76, 5342970), (95, 4274376), (114, 3561980), (120, 3383881), (152, 2671485), (190, 2137188), (228, 1780990), (241, 1684920), (285, 1424792), (380, 1068594), (456, 890495), (482, 842460), (570, 712396), (723, 561640), (739, 549480), (760, 534297), (964, 421230), (1140, 356198), (1205, 336984), (1446, 280820), (1478, 274740), (1928, 210615), (2217, 183160), (2280, 178099), (2410, 168492), (2892, 140410), (2956, 137370), (3615, 112328), (3695, 109896), (4434, 91580), (4579, 88680), (4820, 84246), (5784, 70205), (5912, 68685), (7230, 56164), (7390, 54948), (8868, 45790), (9158, 44340), (9640, 42123), (11085, 36632), (13737, 29560), (14041, 28920), (14460, 28082), (14780, 27474), (17736, 22895), (18316, 22170)]