406792680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1787}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 1400647680

約数和(自身を除く): 993855000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 271, 280, 420, 542, 813, 840, 1084, 1355, 1626, 1787, 1897, 2168, 2710, 3252, 3574, 3794, 4065, 5361, 5420, 5691, 6504, 7148, 7588, 8130, 8935, 9485, 10722, 10840, 11382, 12509, 14296, 15176, 16260, 17870, 18970, 21444, 22764, 25018, 26805, 28455, 32520, 35740, 37527, 37940, 42888, 45528, 50036, 53610, 56910, 62545, 71480, 75054, 75880, 100072, 107220, 113820, 125090, 150108, 187635, 214440, 227640, 250180, 300216, 375270, 484277, 500360, 750540, 968554, 1452831, 1501080, 1937108, 2421385, 2905662, 3389939, 3874216, 4842770, 5811324, 6779878, 7264155, 9685540, 10169817, 11622648, 13559756, 14528310, 16949695, 19371080, 20339634, 27119512, 29056620, 33899390, 40679268, 50849085, 58113240, 67798780, 81358536, 101698170, 135597560, 203396340, 406792680]

約数ペア:

[(1, 406792680), (2, 203396340), (3, 135597560), (4, 101698170), (5, 81358536), (6, 67798780), (7, 58113240), (8, 50849085), (10, 40679268), (12, 33899390), (14, 29056620), (15, 27119512), (20, 20339634), (21, 19371080), (24, 16949695), (28, 14528310), (30, 13559756), (35, 11622648), (40, 10169817), (42, 9685540), (56, 7264155), (60, 6779878), (70, 5811324), (84, 4842770), (105, 3874216), (120, 3389939), (140, 2905662), (168, 2421385), (210, 1937108), (271, 1501080), (280, 1452831), (420, 968554), (542, 750540), (813, 500360), (840, 484277), (1084, 375270), (1355, 300216), (1626, 250180), (1787, 227640), (1897, 214440), (2168, 187635), (2710, 150108), (3252, 125090), (3574, 113820), (3794, 107220), (4065, 100072), (5361, 75880), (5420, 75054), (5691, 71480), (6504, 62545), (7148, 56910), (7588, 53610), (8130, 50036), (8935, 45528), (9485, 42888), (10722, 37940), (10840, 37527), (11382, 35740), (12509, 32520), (14296, 28455), (15176, 26805), (16260, 25018), (17870, 22764), (18970, 21444)]