207928260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 664176240

約数和(自身を除く): 456247980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 61, 87, 90, 116, 122, 145, 174, 180, 183, 244, 261, 290, 305, 348, 366, 435, 522, 549, 580, 610, 653, 732, 870, 915, 1044, 1098, 1220, 1305, 1306, 1740, 1769, 1830, 1959, 2196, 2610, 2612, 2745, 3265, 3538, 3660, 3918, 5220, 5307, 5490, 5877, 6530, 7076, 7836, 8845, 9795, 10614, 10980, 11754, 13060, 15921, 17690, 18937, 19590, 21228, 23508, 26535, 29385, 31842, 35380, 37874, 39180, 39833, 53070, 56811, 58770, 63684, 75748, 79605, 79666, 94685, 106140, 113622, 117540, 119499, 159210, 159332, 170433, 189370, 199165, 227244, 238998, 284055, 318420, 340866, 358497, 378740, 398330, 477996, 568110, 597495, 681732, 716994, 796660, 852165, 1136220, 1155157, 1194990, 1433988, 1704330, 1792485, 2310314, 2389980, 3408660, 3465471, 3584970, 4620628, 5775785, 6930942, 7169940, 10396413, 11551570, 13861884, 17327355, 20792826, 23103140, 34654710, 41585652, 51982065, 69309420, 103964130, 207928260]

約数ペア:

[(1, 207928260), (2, 103964130), (3, 69309420), (4, 51982065), (5, 41585652), (6, 34654710), (9, 23103140), (10, 20792826), (12, 17327355), (15, 13861884), (18, 11551570), (20, 10396413), (29, 7169940), (30, 6930942), (36, 5775785), (45, 4620628), (58, 3584970), (60, 3465471), (61, 3408660), (87, 2389980), (90, 2310314), (116, 1792485), (122, 1704330), (145, 1433988), (174, 1194990), (180, 1155157), (183, 1136220), (244, 852165), (261, 796660), (290, 716994), (305, 681732), (348, 597495), (366, 568110), (435, 477996), (522, 398330), (549, 378740), (580, 358497), (610, 340866), (653, 318420), (732, 284055), (870, 238998), (915, 227244), (1044, 199165), (1098, 189370), (1220, 170433), (1305, 159332), (1306, 159210), (1740, 119499), (1769, 117540), (1830, 113622), (1959, 106140), (2196, 94685), (2610, 79666), (2612, 79605), (2745, 75748), (3265, 63684), (3538, 58770), (3660, 56811), (3918, 53070), (5220, 39833), (5307, 39180), (5490, 37874), (5877, 35380), (6530, 31842), (7076, 29385), (7836, 26535), (8845, 23508), (9795, 21228), (10614, 19590), (10980, 18937), (11754, 17690), (13060, 15921)]