861627760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3011}}^1$

素因数の和:3111

約数の個数: 120

約数和(自身を含む): 2363058576

約数和(自身を除く): 1501430816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 560, 584, 730, 784, 980, 1022, 1168, 1460, 1960, 2044, 2555, 2920, 3011, 3577, 3920, 4088, 5110, 5840, 6022, 7154, 8176, 10220, 12044, 14308, 15055, 17885, 20440, 21077, 24088, 28616, 30110, 35770, 40880, 42154, 48176, 57232, 60220, 71540, 84308, 105385, 120440, 143080, 147539, 168616, 210770, 219803, 240880, 286160, 295078, 337232, 421540, 439606, 590156, 737695, 843080, 879212, 1099015, 1180312, 1475390, 1538621, 1686160, 1758424, 2198030, 2360624, 2950780, 3077242, 3516848, 4396060, 5901560, 6154484, 7693105, 8792120, 10770347, 11803120, 12308968, 15386210, 17584240, 21540694, 24617936, 30772420, 43081388, 53851735, 61544840, 86162776, 107703470, 123089680, 172325552, 215406940, 430813880, 861627760]

約数ペア:

[(1, 861627760), (2, 430813880), (4, 215406940), (5, 172325552), (7, 123089680), (8, 107703470), (10, 86162776), (14, 61544840), (16, 53851735), (20, 43081388), (28, 30772420), (35, 24617936), (40, 21540694), (49, 17584240), (56, 15386210), (70, 12308968), (73, 11803120), (80, 10770347), (98, 8792120), (112, 7693105), (140, 6154484), (146, 5901560), (196, 4396060), (245, 3516848), (280, 3077242), (292, 2950780), (365, 2360624), (392, 2198030), (490, 1758424), (511, 1686160), (560, 1538621), (584, 1475390), (730, 1180312), (784, 1099015), (980, 879212), (1022, 843080), (1168, 737695), (1460, 590156), (1960, 439606), (2044, 421540), (2555, 337232), (2920, 295078), (3011, 286160), (3577, 240880), (3920, 219803), (4088, 210770), (5110, 168616), (5840, 147539), (6022, 143080), (7154, 120440), (8176, 105385), (10220, 84308), (12044, 71540), (14308, 60220), (15055, 57232), (17885, 48176), (20440, 42154), (21077, 40880), (24088, 35770), (28616, 30110)]