15691406980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{5443}}^1$

素因数の和:5669

約数の個数: 96

約数和(自身を含む): 35723963520

約数和(自身を除く): 20032556540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 139, 170, 244, 278, 305, 340, 556, 610, 695, 1037, 1220, 1390, 2074, 2363, 2780, 4148, 4726, 5185, 5443, 8479, 9452, 10370, 10886, 11815, 16958, 20740, 21772, 23630, 27215, 33916, 42395, 47260, 54430, 84790, 92531, 108860, 144143, 169580, 185062, 288286, 332023, 370124, 462655, 576572, 664046, 720715, 756577, 925310, 1328092, 1441430, 1513154, 1660115, 1850620, 2882860, 3026308, 3320230, 3782885, 5644391, 6640460, 7565770, 11288782, 12861809, 15131540, 22577564, 25723618, 28221955, 46151197, 51447236, 56443910, 64309045, 92302394, 112887820, 128618090, 184604788, 230755985, 257236180, 461511970, 784570349, 923023940, 1569140698, 3138281396, 3922851745, 7845703490, 15691406980]

約数ペア:

[(1, 15691406980), (2, 7845703490), (4, 3922851745), (5, 3138281396), (10, 1569140698), (17, 923023940), (20, 784570349), (34, 461511970), (61, 257236180), (68, 230755985), (85, 184604788), (122, 128618090), (139, 112887820), (170, 92302394), (244, 64309045), (278, 56443910), (305, 51447236), (340, 46151197), (556, 28221955), (610, 25723618), (695, 22577564), (1037, 15131540), (1220, 12861809), (1390, 11288782), (2074, 7565770), (2363, 6640460), (2780, 5644391), (4148, 3782885), (4726, 3320230), (5185, 3026308), (5443, 2882860), (8479, 1850620), (9452, 1660115), (10370, 1513154), (10886, 1441430), (11815, 1328092), (16958, 925310), (20740, 756577), (21772, 720715), (23630, 664046), (27215, 576572), (33916, 462655), (42395, 370124), (47260, 332023), (54430, 288286), (84790, 185062), (92531, 169580), (108860, 144143)]