72816870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2531}}^1$

素因数の和:2685

約数の個数: 64

約数和(自身を含む): 201263616

約数和(自身を除く): 128446746

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 822, 959, 1370, 1918, 2055, 2531, 2877, 4110, 4795, 5062, 5754, 7593, 9590, 12655, 14385, 15186, 17717, 25310, 28770, 35434, 37965, 53151, 75930, 88585, 106302, 177170, 265755, 346747, 531510, 693494, 1040241, 1733735, 2080482, 2427229, 3467470, 4854458, 5201205, 7281687, 10402410, 12136145, 14563374, 24272290, 36408435, 72816870]

約数ペア:

[(1, 72816870), (2, 36408435), (3, 24272290), (5, 14563374), (6, 12136145), (7, 10402410), (10, 7281687), (14, 5201205), (15, 4854458), (21, 3467470), (30, 2427229), (35, 2080482), (42, 1733735), (70, 1040241), (105, 693494), (137, 531510), (210, 346747), (274, 265755), (411, 177170), (685, 106302), (822, 88585), (959, 75930), (1370, 53151), (1918, 37965), (2055, 35434), (2531, 28770), (2877, 25310), (4110, 17717), (4795, 15186), (5062, 14385), (5754, 12655), (7593, 9590)]