161250530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3975

約数の個数: 64

約数和(自身を含む): 360529920

約数和(自身を除く): 199279390

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 665, 1085, 1178, 1330, 2170, 2945, 3911, 4123, 5890, 7822, 8246, 19555, 20615, 27377, 39110, 41230, 54754, 74309, 121241, 136885, 148618, 242482, 273770, 371545, 520163, 606205, 743090, 848687, 1040326, 1212410, 1697374, 2303579, 2600815, 4243435, 4607158, 5201630, 8486870, 11517895, 16125053, 23035790, 32250106, 80625265, 161250530]

約数ペア:

[(1, 161250530), (2, 80625265), (5, 32250106), (7, 23035790), (10, 16125053), (14, 11517895), (19, 8486870), (31, 5201630), (35, 4607158), (38, 4243435), (62, 2600815), (70, 2303579), (95, 1697374), (133, 1212410), (155, 1040326), (190, 848687), (217, 743090), (266, 606205), (310, 520163), (434, 371545), (589, 273770), (665, 242482), (1085, 148618), (1178, 136885), (1330, 121241), (2170, 74309), (2945, 54754), (3911, 41230), (4123, 39110), (5890, 27377), (7822, 20615), (8246, 19555)]