64862980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 169456896

約数和(自身を除く): 104593916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 157, 182, 227, 260, 314, 364, 454, 455, 628, 785, 908, 910, 1099, 1135, 1570, 1589, 1820, 2041, 2198, 2270, 2951, 3140, 3178, 4082, 4396, 4540, 5495, 5902, 6356, 7945, 8164, 10205, 10990, 11804, 14287, 14755, 15890, 20410, 20657, 21980, 28574, 29510, 31780, 35639, 40820, 41314, 57148, 59020, 71278, 71435, 82628, 103285, 142556, 142870, 178195, 206570, 249473, 285740, 356390, 413140, 463307, 498946, 712780, 926614, 997892, 1247365, 1853228, 2316535, 2494730, 3243149, 4633070, 4989460, 6486298, 9266140, 12972596, 16215745, 32431490, 64862980]

約数ペア:

[(1, 64862980), (2, 32431490), (4, 16215745), (5, 12972596), (7, 9266140), (10, 6486298), (13, 4989460), (14, 4633070), (20, 3243149), (26, 2494730), (28, 2316535), (35, 1853228), (52, 1247365), (65, 997892), (70, 926614), (91, 712780), (130, 498946), (140, 463307), (157, 413140), (182, 356390), (227, 285740), (260, 249473), (314, 206570), (364, 178195), (454, 142870), (455, 142556), (628, 103285), (785, 82628), (908, 71435), (910, 71278), (1099, 59020), (1135, 57148), (1570, 41314), (1589, 40820), (1820, 35639), (2041, 31780), (2198, 29510), (2270, 28574), (2951, 21980), (3140, 20657), (3178, 20410), (4082, 15890), (4396, 14755), (4540, 14287), (5495, 11804), (5902, 10990), (6356, 10205), (7945, 8164)]