161964180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 565254144

約数和(自身を除く): 403289964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 191, 210, 252, 315, 382, 420, 573, 630, 673, 764, 955, 1146, 1260, 1337, 1346, 1719, 1910, 2019, 2292, 2674, 2692, 2865, 3365, 3438, 3820, 4011, 4038, 4711, 5348, 5730, 6057, 6685, 6730, 6876, 8022, 8076, 8595, 9422, 10095, 11460, 12033, 12114, 13370, 13460, 14133, 16044, 17190, 18844, 20055, 20190, 23555, 24066, 24228, 26740, 28266, 30285, 34380, 40110, 40380, 42399, 47110, 48132, 56532, 60165, 60570, 70665, 80220, 84798, 94220, 120330, 121140, 128543, 141330, 169596, 211995, 240660, 257086, 282660, 385629, 423990, 514172, 642715, 771258, 847980, 899801, 1156887, 1285430, 1542516, 1799602, 1928145, 2313774, 2570860, 2699403, 3599204, 3856290, 4499005, 4627548, 5398806, 5784435, 7712580, 8098209, 8998010, 10797612, 11568870, 13497015, 16196418, 17996020, 23137740, 26994030, 32392836, 40491045, 53988060, 80982090, 161964180]

約数ペア:

[(1, 161964180), (2, 80982090), (3, 53988060), (4, 40491045), (5, 32392836), (6, 26994030), (7, 23137740), (9, 17996020), (10, 16196418), (12, 13497015), (14, 11568870), (15, 10797612), (18, 8998010), (20, 8098209), (21, 7712580), (28, 5784435), (30, 5398806), (35, 4627548), (36, 4499005), (42, 3856290), (45, 3599204), (60, 2699403), (63, 2570860), (70, 2313774), (84, 1928145), (90, 1799602), (105, 1542516), (126, 1285430), (140, 1156887), (180, 899801), (191, 847980), (210, 771258), (252, 642715), (315, 514172), (382, 423990), (420, 385629), (573, 282660), (630, 257086), (673, 240660), (764, 211995), (955, 169596), (1146, 141330), (1260, 128543), (1337, 121140), (1346, 120330), (1719, 94220), (1910, 84798), (2019, 80220), (2292, 70665), (2674, 60570), (2692, 60165), (2865, 56532), (3365, 48132), (3438, 47110), (3820, 42399), (4011, 40380), (4038, 40110), (4711, 34380), (5348, 30285), (5730, 28266), (6057, 26740), (6685, 24228), (6730, 24066), (6876, 23555), (8022, 20190), (8076, 20055), (8595, 18844), (9422, 17190), (10095, 16044), (11460, 14133), (12033, 13460), (12114, 13370)]