161959770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1369

約数の個数: 128

約数和(自身を含む): 501350400

約数和(自身を除く): 339390630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 67, 70, 90, 105, 126, 134, 135, 189, 201, 210, 270, 315, 335, 378, 402, 469, 603, 630, 670, 938, 945, 1005, 1206, 1279, 1407, 1809, 1890, 2010, 2345, 2558, 2814, 3015, 3618, 3837, 4221, 4690, 6030, 6395, 7035, 7674, 8442, 8953, 9045, 11511, 12663, 12790, 14070, 17906, 18090, 19185, 21105, 23022, 25326, 26859, 34533, 38370, 42210, 44765, 53718, 57555, 63315, 69066, 80577, 85693, 89530, 115110, 126630, 134295, 161154, 171386, 172665, 241731, 257079, 268590, 345330, 402885, 428465, 483462, 514158, 599851, 771237, 805770, 856930, 1199702, 1208655, 1285395, 1542474, 1799553, 2313711, 2417310, 2570790, 2999255, 3599106, 3856185, 4627422, 5398659, 5998510, 7712370, 8997765, 10797318, 11568555, 16195977, 17995530, 23137110, 26993295, 32391954, 53986590, 80979885, 161959770]

約数ペア:

[(1, 161959770), (2, 80979885), (3, 53986590), (5, 32391954), (6, 26993295), (7, 23137110), (9, 17995530), (10, 16195977), (14, 11568555), (15, 10797318), (18, 8997765), (21, 7712370), (27, 5998510), (30, 5398659), (35, 4627422), (42, 3856185), (45, 3599106), (54, 2999255), (63, 2570790), (67, 2417310), (70, 2313711), (90, 1799553), (105, 1542474), (126, 1285395), (134, 1208655), (135, 1199702), (189, 856930), (201, 805770), (210, 771237), (270, 599851), (315, 514158), (335, 483462), (378, 428465), (402, 402885), (469, 345330), (603, 268590), (630, 257079), (670, 241731), (938, 172665), (945, 171386), (1005, 161154), (1206, 134295), (1279, 126630), (1407, 115110), (1809, 89530), (1890, 85693), (2010, 80577), (2345, 69066), (2558, 63315), (2814, 57555), (3015, 53718), (3618, 44765), (3837, 42210), (4221, 38370), (4690, 34533), (6030, 26859), (6395, 25326), (7035, 23022), (7674, 21105), (8442, 19185), (8953, 18090), (9045, 17906), (11511, 14070), (12663, 12790)]