65284760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 170035200

約数和(自身を除く): 104750440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 124, 136, 152, 155, 163, 170, 190, 248, 310, 323, 326, 340, 380, 527, 589, 620, 646, 652, 680, 760, 815, 1054, 1178, 1240, 1292, 1304, 1615, 1630, 2108, 2356, 2584, 2635, 2771, 2945, 3097, 3230, 3260, 4216, 4712, 5053, 5270, 5542, 5890, 6194, 6460, 6520, 10013, 10106, 10540, 11084, 11780, 12388, 12920, 13855, 15485, 20026, 20212, 21080, 22168, 23560, 24776, 25265, 27710, 30970, 40052, 40424, 50065, 50530, 52649, 55420, 61940, 80104, 85901, 96007, 100130, 101060, 105298, 110840, 123880, 171802, 192014, 200260, 202120, 210596, 263245, 343604, 384028, 400520, 421192, 429505, 480035, 526490, 687208, 768056, 859010, 960070, 1052980, 1632119, 1718020, 1920140, 2105960, 3264238, 3436040, 3840280, 6528476, 8160595, 13056952, 16321190, 32642380, 65284760]

約数ペア:

[(1, 65284760), (2, 32642380), (4, 16321190), (5, 13056952), (8, 8160595), (10, 6528476), (17, 3840280), (19, 3436040), (20, 3264238), (31, 2105960), (34, 1920140), (38, 1718020), (40, 1632119), (62, 1052980), (68, 960070), (76, 859010), (85, 768056), (95, 687208), (124, 526490), (136, 480035), (152, 429505), (155, 421192), (163, 400520), (170, 384028), (190, 343604), (248, 263245), (310, 210596), (323, 202120), (326, 200260), (340, 192014), (380, 171802), (527, 123880), (589, 110840), (620, 105298), (646, 101060), (652, 100130), (680, 96007), (760, 85901), (815, 80104), (1054, 61940), (1178, 55420), (1240, 52649), (1292, 50530), (1304, 50065), (1615, 40424), (1630, 40052), (2108, 30970), (2356, 27710), (2584, 25265), (2635, 24776), (2771, 23560), (2945, 22168), (3097, 21080), (3230, 20212), (3260, 20026), (4216, 15485), (4712, 13855), (5053, 12920), (5270, 12388), (5542, 11780), (5890, 11084), (6194, 10540), (6460, 10106), (6520, 10013)]