171904860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6971}}^1$

素因数の和:7123

約数の個数: 72

約数和(自身を含む): 525326256

約数和(自身を除く): 353421396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 6971, 8220, 12330, 13942, 20913, 24660, 27884, 34855, 41826, 62739, 69710, 83652, 104565, 125478, 139420, 209130, 250956, 313695, 418260, 627390, 955027, 1254780, 1910054, 2865081, 3820108, 4775135, 5730162, 8595243, 9550270, 11460324, 14325405, 17190486, 19100540, 28650810, 34380972, 42976215, 57301620, 85952430, 171904860]

約数ペア:

[(1, 171904860), (2, 85952430), (3, 57301620), (4, 42976215), (5, 34380972), (6, 28650810), (9, 19100540), (10, 17190486), (12, 14325405), (15, 11460324), (18, 9550270), (20, 8595243), (30, 5730162), (36, 4775135), (45, 3820108), (60, 2865081), (90, 1910054), (137, 1254780), (180, 955027), (274, 627390), (411, 418260), (548, 313695), (685, 250956), (822, 209130), (1233, 139420), (1370, 125478), (1644, 104565), (2055, 83652), (2466, 69710), (2740, 62739), (4110, 41826), (4932, 34855), (6165, 27884), (6971, 24660), (8220, 20913), (12330, 13942)]