197780520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1361}}^1$

素因数の和:1555

約数の個数: 128

約数和(自身を含む): 682525440

約数和(自身を除く): 484744920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 210, 280, 346, 420, 519, 692, 840, 865, 1038, 1211, 1361, 1384, 1730, 2076, 2422, 2595, 2722, 3460, 3633, 4083, 4152, 4844, 5190, 5444, 6055, 6805, 6920, 7266, 8166, 9527, 9688, 10380, 10888, 12110, 13610, 14532, 16332, 18165, 19054, 20415, 20760, 24220, 27220, 28581, 29064, 32664, 36330, 38108, 40830, 47635, 48440, 54440, 57162, 72660, 76216, 81660, 95270, 114324, 142905, 145320, 163320, 190540, 228648, 235453, 285810, 381080, 470906, 571620, 706359, 941812, 1143240, 1177265, 1412718, 1648171, 1883624, 2354530, 2825436, 3296342, 3531795, 4709060, 4944513, 5650872, 6592684, 7063590, 8240855, 9418120, 9889026, 13185368, 14127180, 16481710, 19778052, 24722565, 28254360, 32963420, 39556104, 49445130, 65926840, 98890260, 197780520]

約数ペア:

[(1, 197780520), (2, 98890260), (3, 65926840), (4, 49445130), (5, 39556104), (6, 32963420), (7, 28254360), (8, 24722565), (10, 19778052), (12, 16481710), (14, 14127180), (15, 13185368), (20, 9889026), (21, 9418120), (24, 8240855), (28, 7063590), (30, 6592684), (35, 5650872), (40, 4944513), (42, 4709060), (56, 3531795), (60, 3296342), (70, 2825436), (84, 2354530), (105, 1883624), (120, 1648171), (140, 1412718), (168, 1177265), (173, 1143240), (210, 941812), (280, 706359), (346, 571620), (420, 470906), (519, 381080), (692, 285810), (840, 235453), (865, 228648), (1038, 190540), (1211, 163320), (1361, 145320), (1384, 142905), (1730, 114324), (2076, 95270), (2422, 81660), (2595, 76216), (2722, 72660), (3460, 57162), (3633, 54440), (4083, 48440), (4152, 47635), (4844, 40830), (5190, 38108), (5444, 36330), (6055, 32664), (6805, 29064), (6920, 28581), (7266, 27220), (8166, 24220), (9527, 20760), (9688, 20415), (10380, 19054), (10888, 18165), (12110, 16332), (13610, 14532)]