189420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 677376

約数和(自身を除く): 487956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 41, 42, 44, 55, 60, 66, 70, 77, 82, 84, 105, 110, 123, 132, 140, 154, 164, 165, 205, 210, 220, 231, 246, 287, 308, 330, 385, 410, 420, 451, 462, 492, 574, 615, 660, 770, 820, 861, 902, 924, 1148, 1155, 1230, 1353, 1435, 1540, 1722, 1804, 2255, 2310, 2460, 2706, 2870, 3157, 3444, 4305, 4510, 4620, 5412, 5740, 6314, 6765, 8610, 9020, 9471, 12628, 13530, 15785, 17220, 18942, 27060, 31570, 37884, 47355, 63140, 94710, 189420]

約数ペア:

[(1, 189420), (2, 94710), (3, 63140), (4, 47355), (5, 37884), (6, 31570), (7, 27060), (10, 18942), (11, 17220), (12, 15785), (14, 13530), (15, 12628), (20, 9471), (21, 9020), (22, 8610), (28, 6765), (30, 6314), (33, 5740), (35, 5412), (41, 4620), (42, 4510), (44, 4305), (55, 3444), (60, 3157), (66, 2870), (70, 2706), (77, 2460), (82, 2310), (84, 2255), (105, 1804), (110, 1722), (123, 1540), (132, 1435), (140, 1353), (154, 1230), (164, 1155), (165, 1148), (205, 924), (210, 902), (220, 861), (231, 820), (246, 770), (287, 660), (308, 615), (330, 574), (385, 492), (410, 462), (420, 451)]