161889420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 192

約数和(自身を含む): 574672896

約数和(自身を除く): 412783476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 67, 70, 77, 84, 105, 110, 132, 134, 140, 154, 165, 201, 210, 220, 231, 268, 308, 330, 335, 385, 402, 420, 462, 469, 523, 660, 670, 737, 770, 804, 924, 938, 1005, 1046, 1155, 1340, 1407, 1474, 1540, 1569, 1876, 2010, 2092, 2211, 2310, 2345, 2615, 2814, 2948, 3138, 3661, 3685, 4020, 4422, 4620, 4690, 5159, 5230, 5628, 5753, 6276, 7035, 7322, 7370, 7845, 8844, 9380, 10318, 10460, 10983, 11055, 11506, 14070, 14644, 14740, 15477, 15690, 17259, 18305, 20636, 21966, 22110, 23012, 25795, 28140, 28765, 30954, 31380, 34518, 35041, 36610, 40271, 43932, 44220, 51590, 54915, 57530, 61908, 69036, 70082, 73220, 77385, 80542, 86295, 103180, 105123, 109830, 115060, 120813, 140164, 154770, 161084, 172590, 175205, 201355, 210246, 219660, 241626, 245287, 309540, 345180, 350410, 385451, 402710, 420492, 483252, 490574, 525615, 604065, 700820, 735861, 770902, 805420, 981148, 1051230, 1156353, 1208130, 1226435, 1471722, 1541804, 1927255, 2102460, 2312706, 2416260, 2452870, 2698157, 2943444, 3679305, 3854510, 4625412, 4905740, 5396314, 5781765, 7358610, 7709020, 8094471, 10792628, 11563530, 13490785, 14717220, 16188942, 23127060, 26981570, 32377884, 40472355, 53963140, 80944710, 161889420]

約数ペア:

[(1, 161889420), (2, 80944710), (3, 53963140), (4, 40472355), (5, 32377884), (6, 26981570), (7, 23127060), (10, 16188942), (11, 14717220), (12, 13490785), (14, 11563530), (15, 10792628), (20, 8094471), (21, 7709020), (22, 7358610), (28, 5781765), (30, 5396314), (33, 4905740), (35, 4625412), (42, 3854510), (44, 3679305), (55, 2943444), (60, 2698157), (66, 2452870), (67, 2416260), (70, 2312706), (77, 2102460), (84, 1927255), (105, 1541804), (110, 1471722), (132, 1226435), (134, 1208130), (140, 1156353), (154, 1051230), (165, 981148), (201, 805420), (210, 770902), (220, 735861), (231, 700820), (268, 604065), (308, 525615), (330, 490574), (335, 483252), (385, 420492), (402, 402710), (420, 385451), (462, 350410), (469, 345180), (523, 309540), (660, 245287), (670, 241626), (737, 219660), (770, 210246), (804, 201355), (924, 175205), (938, 172590), (1005, 161084), (1046, 154770), (1155, 140164), (1340, 120813), (1407, 115060), (1474, 109830), (1540, 105123), (1569, 103180), (1876, 86295), (2010, 80542), (2092, 77385), (2211, 73220), (2310, 70082), (2345, 69036), (2615, 61908), (2814, 57530), (2948, 54915), (3138, 51590), (3661, 44220), (3685, 43932), (4020, 40271), (4422, 36610), (4620, 35041), (4690, 34518), (5159, 31380), (5230, 30954), (5628, 28765), (5753, 28140), (6276, 25795), (7035, 23012), (7322, 22110), (7370, 21966), (7845, 20636), (8844, 18305), (9380, 17259), (10318, 15690), (10460, 15477), (10983, 14740), (11055, 14644), (11506, 14070)]