40218780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3089}}^1$

素因数の和:3139

約数の個数: 96

約数和(自身を含む): 132894720

約数和(自身を除く): 92675940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3089, 3255, 4340, 6178, 6510, 9267, 12356, 13020, 15445, 18534, 21623, 30890, 37068, 43246, 46335, 61780, 64869, 86492, 92670, 95759, 108115, 129738, 185340, 191518, 216230, 259476, 287277, 324345, 383036, 432460, 478795, 574554, 648690, 670313, 957590, 1149108, 1297380, 1340626, 1436385, 1915180, 2010939, 2681252, 2872770, 3351565, 4021878, 5745540, 6703130, 8043756, 10054695, 13406260, 20109390, 40218780]

約数ペア:

[(1, 40218780), (2, 20109390), (3, 13406260), (4, 10054695), (5, 8043756), (6, 6703130), (7, 5745540), (10, 4021878), (12, 3351565), (14, 2872770), (15, 2681252), (20, 2010939), (21, 1915180), (28, 1436385), (30, 1340626), (31, 1297380), (35, 1149108), (42, 957590), (60, 670313), (62, 648690), (70, 574554), (84, 478795), (93, 432460), (105, 383036), (124, 324345), (140, 287277), (155, 259476), (186, 216230), (210, 191518), (217, 185340), (310, 129738), (372, 108115), (420, 95759), (434, 92670), (465, 86492), (620, 64869), (651, 61780), (868, 46335), (930, 43246), (1085, 37068), (1302, 30890), (1860, 21623), (2170, 18534), (2604, 15445), (3089, 13020), (3255, 12356), (4340, 9267), (6178, 6510)]